diff --git a/nlpcraft-examples/sql/src/main/java/org/apache/nlpcraft/examples/sql/SqlModel.scala b/nlpcraft-examples/sql/src/main/java/org/apache/nlpcraft/examples/sql/SqlModel.scala
index 181ae8b..6e5753f 100644
--- a/nlpcraft-examples/sql/src/main/java/org/apache/nlpcraft/examples/sql/SqlModel.scala
+++ b/nlpcraft-examples/sql/src/main/java/org/apache/nlpcraft/examples/sql/SqlModel.scala
@@ -421,7 +421,7 @@
             def isColumn(t: NCToken): Boolean = findAnyColumnTokenOpt(t).isDefined
             def isDate(t: NCToken): Boolean = t.getId == "nlpcraft:date"
 
-            val ok = toks.forall(isValue) || toks.forall(isColumn) || toks.size == 1 && isDate(toks.head)
+            val ok = toks.forall(isValue) || toks.size == 1 && isDate(toks.head)
 
             if (!ok) {
                 m.getContext.getConversation.clearStm(_ => true)
diff --git a/nlpcraft/src/test/scala/org/apache/nlpcraft/models/stm/NCStmIndexesTestModelSpec.scala b/nlpcraft/src/test/scala/org/apache/nlpcraft/models/stm/NCStmIndexesTestModelSpec.scala
new file mode 100644
index 0000000..9965597
--- /dev/null
+++ b/nlpcraft/src/test/scala/org/apache/nlpcraft/models/stm/NCStmIndexesTestModelSpec.scala
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.nlpcraft.models.stm
+
+import org.apache.nlpcraft.model.impl.NCTokenPimp
+import org.apache.nlpcraft.{NCTestContext, NCTestElement, NCTestEnvironment}
+import org.apache.nlpcraft.model.{NCElement, NCIntent, NCIntentMatch, NCModelAdapter, NCResult}
+import org.apache.nlpcraft.model.{NCIntentMatch, _}
+import org.junit.jupiter.api.Test
+
+import java.util
+import scala.jdk.CollectionConverters.{ListHasAsScala, SeqHasAsJava, SetHasAsJava}
+import scala.language.implicitConversions
+import java.util
+import java.util.Collections
+
+class NCStmIndexesTestModel extends NCModelAdapter("nlpcraft.stm.idxs.test", "STM Indexes Test Model", "1.0") {
+    override def getElements: util.Set[NCElement] =
+        Set(
+            mkElement("A", "G"),
+            mkElement("B", "G")
+        ).asJava
+
+    private def mkElement(id: String, group: String): NCElement =
+        new NCElement {
+            override def getId: String = id
+            override def getSynonyms: util.List[String] = Collections.singletonList(id)
+            override def getGroups: util.List[String] = Collections.singletonList(group)
+        }
+
+    @NCIntent("intent=i term(sort)~{tok_id() == 'nlpcraft:sort'} term(elem)={has(tok_groups(), 'G')}")
+    private def onI(ctx: NCIntentMatch, @NCIntentTerm("sort") sort: NCToken): NCResult = {
+        val bynotes = sort.meta[java.util.List[String]]("nlpcraft:sort:bynotes")
+        val byindexes = sort.meta[java.util.List[String]]("nlpcraft:sort:byindexes")
+
+        def str(t: NCToken): String = s"${t.origText}(${t.index})"
+
+        println(s"variant: ${ctx.getVariant.asScala.map(str).mkString("|")}")
+        println(s"variant sort bynotes: $bynotes")
+        println(s"variant sort byindexes: $byindexes")
+        println(s"variant freeTokens: ${ctx.getVariant.getFreeTokens.asScala.map(str).mkString("|")}")
+        println(s"variant matchedTokens: ${ctx.getVariant.getMatchedTokens.asScala.map(str).mkString("|")}")
+        println(s"variant userDefinedTokens: ${ctx.getVariant.getUserDefinedTokens.asScala.map(str).mkString("|")}")
+        println(s"variant conversation: ${ctx.getContext.getConversation.getTokens.asScala.map(str).mkString("|")}")
+
+        NCResult.text("OK")
+    }
+}
+
+@NCTestEnvironment(model = classOf[NCStmIndexesTestModel], startClient = true)
+class NCStmIndexesTestModelSpec extends NCTestContext {
+    @Test
+    private[stm] def test(): Unit = {
+        checkResult("test test sort by A", "OK")
+        checkResult("B", "OK")
+    }
+}
\ No newline at end of file