| select store.store_country as c0, store.store_type as c1, time_by_day.the_year as c2, time_by_day.quarter as c3, sum(sales_fact_1997.unit_sales) as m0 from store as store, sales_fact_1997 as sales_fact_1997, time_by_day as time_by_day where sales_fact_1997.store_id = store.store_id and store.store_type = 'Mid-Size Grocery' and sales_fact_1997.time_id = time_by_day.time_id and time_by_day.the_year = 1997 and time_by_day.quarter in ('Q1', 'Q2') group by store.store_country, store.store_type, time_by_day.the_year, time_by_day.quarter; |