CREATE TABLE gas_station (station_id NUMBER, open_year NUMBER, location CLOB, manager_name CLOB, vice_manager_name CLOB, representative_name CLOB)
CREATE TABLE station_company (station_id NUMBER, company_id NUMBER, rank_of_the_year NUMBER)
CREATE TABLE company (company_id NUMBER, rank NUMBER, company CLOB, headquarters CLOB, main_industry CLOB, sales_billion NUMBER, profits_billion NUMBER, assets_billion NUMBER, market_value NUMBER)

Show all locations and the number of gas stations in each location ordered by the count.
SELECT location, COUNT(*) FROM gas_station GROUP BY location ORDER BY COUNT(*)
SELECT "location", COUNT(*) FROM "gas_station" GROUP BY "location" ORDER BY COUNT(*)