แสดงเที่ยวบินที่ออกจากฟิลาเดลเฟียตอนบ่ายและถึงตอนเย็นที่เดนเวอร์ ไม่จำเป็นต้องใช้ตารางทั้งหมด
show me the flight that leaves PHILADELPHIA in the afternoon and arrives in the evening in DENVERIt is not neccessary to use all the tables.
 code_description:  code [ varchar]  description [ text] 
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 (((flight.arrival_time <= 2200 AND flight.arrival_time >= 1800) AND CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'DENVER' AND flight.to_airport = AIRPORT_SERVICE_1.airport_code) AND CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'PHILADELPHIA' AND flight.from_airport = AIRPORT_SERVICE_0.airport_code) AND flight.departure_time BETWEEN 1200 AND 1800