เที่ยวบินตรงระหว่าง ATLANTA และ WASHINGTON ใดออกจาก ATLANTA หลัง 18.00 น. ไม่จำเป็นต้องใช้ตารางทั้งหมด
what nonstop flights between ATLANTA and WASHINGTON leave ATLANTA after 1800 o'clock pmIt is not neccessary to use all the tables.
 aircraft:  aircraft_code [ varchar]  aircraft_description [ varchar]  manufacturer [ varchar]  basic_type [ varchar]  engines [ int]  propulsion [ varchar]  wide_body [ varchar]  wing_span [ int]  length [ int]  weight [ int]  capacity [ int]  pay_load [ int]  cruising_speed [ int]  range_miles [ int]  pressurized [ 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 = 'WASHINGTON' AND flight.departure_time > 1800 AND flight.to_airport = AIRPORT_SERVICE_1.airport_code) AND CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'ATLANTA' AND flight.from_airport = AIRPORT_SERVICE_0.airport_code) AND flight.stops = 0