เที่ยวบินทั้งหมดจากวอชิงตันไปซานฟรานซิสโกที่ออกเดินทางหลัง 200 น. ไม่จำเป็นต้องใช้ตารางทั้งหมด
all flights from WASHINGTON to SAN FRANCISCO leaving after 200It is not neccessary to use all the tables.
 flight:  aircraft_code_sequence [ text]  airline_code [ varchar]  airline_flight [ text]  arrival_time [ int]  connections [ int]  departure_time [ int]  dual_carrier [ text]  flight_days [ text]  flight_id [ int]  flight_number [ int]  from_airport [ varchar]  meal_code [ text]  stops [ int]  time_elapsed [ int]  to_airport [ varchar] 
SELECT DISTINCT flight.flight_id FROM airport_service AS AIRPORT_SERVICE_0, airport_service AS AIRPORT_SERVICE_1, city AS CITY_0, city AS CITY_1, flight WHERE (CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'SAN FRANCISCO' AND flight.departure_time > 200 AND flight.to_airport = AIRPORT_SERVICE_1.airport_code) AND CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'WASHINGTON' AND flight.from_airport = AIRPORT_SERVICE_0.airport_code