Database: debit_card_specializing (difficulty: simple)
Question: Which country has more "Value for money" gas stations? Please give a total number of "value for money" gas stations in each country.
SQL: SELECT Country , ( SELECT COUNT(GasStationID) FROM gasstations WHERE Segment = 'Value for money' ) FROM gasstations WHERE Segment = 'Value for money' GROUP BY Country ORDER BY COUNT(GasStationID) DESC LIMIT 1