CREATE TABLE flight (id DECIMAL, vehicle_flight_number TEXT, date TEXT, pilot TEXT, velocity DECIMAL, altitude DECIMAL, airport_id DECIMAL, company_id DECIMAL)
CREATE TABLE airport (id DECIMAL, city TEXT, country TEXT, iata TEXT, icao TEXT, name TEXT)
CREATE TABLE operate_company (id DECIMAL, name TEXT, type TEXT, principal_activities TEXT, incorporated_in TEXT, group_equity_shareholding DECIMAL)

which countries have more than 2 airports?
SELECT country FROM airport GROUP BY country HAVING COUNT(*) > 2
SELECT "country" FROM "airport" GROUP BY "country" HAVING COUNT(*) > 2