CREATE TABLE airlines (alid DECIMAL, name TEXT, iata TEXT, icao TEXT, callsign TEXT, country TEXT, active TEXT)
CREATE TABLE routes (rid DECIMAL, dst_apid DECIMAL, dst_ap TEXT, src_apid DECIMAL, src_ap TEXT, alid DECIMAL, airline TEXT, codeshare TEXT)
CREATE TABLE airports (apid DECIMAL, name TEXT, city TEXT, country TEXT, x DECIMAL, y DECIMAL, elevation DECIMAL, iata TEXT, icao TEXT)

What are the cities that have more than 2 airports sorted by number of airports?
SELECT city FROM airports GROUP BY city HAVING COUNT(*) > 2 ORDER BY COUNT(*)
SELECT "city" FROM "airports" GROUP BY "city" HAVING COUNT(*) > 2 ORDER BY COUNT(*) NULLS FIRST