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

How many airports haven't the pilot 'Thompson' driven an aircraft?
SELECT COUNT(*) FROM airport WHERE NOT id IN (SELECT airport_id FROM flight WHERE pilot = 'Thompson')
SELECT COUNT(*) FROM "airport" WHERE NOT "id" IN (SELECT "airport_id" FROM "flight" WHERE "pilot" = 'Thompson')