ค่าโดยสารจากบอสตันไป DALLAS FORT WORTH เที่ยวเดียวในวันที่ 11 7 เป็นเท่าใด ไม่จำเป็นต้องใช้ตารางทั้งหมด
what is the fare going from BOSTON to DALLAS FORT WORTH one way on 11 7It is not neccessary to use all the tables.
 code_description:  code [ varchar]  description [ text] 
SELECT DISTINCT fare.fare_id FROM airport_service AS AIRPORT_SERVICE_0, airport_service AS AIRPORT_SERVICE_1, airport_service AS AIRPORT_SERVICE_2, city AS CITY_0, city AS CITY_1, city AS CITY_2, date_day AS DATE_DAY_0, date_day AS DATE_DAY_1, days AS DAYS_0, days AS DAYS_1, fare, fare_basis, flight, flight_fare WHERE (((CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'DALLAS' AND CITY_2.city_code = AIRPORT_SERVICE_2.city_code AND CITY_2.city_name = 'FORT WORTH' AND flight.to_airport = AIRPORT_SERVICE_1.airport_code AND flight.to_airport = AIRPORT_SERVICE_2.airport_code) AND DATE_DAY_1.day_number = 7 AND DATE_DAY_1.month_number = 11 AND DATE_DAY_1.year = 1991 AND DAYS_1.day_name = DATE_DAY_1.day_name AND flight.flight_days = DAYS_1.days_code) AND CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'BOSTON' AND DATE_DAY_0.day_number = 7 AND DATE_DAY_0.month_number = 11 AND DATE_DAY_0.year = 1991 AND DAYS_0.day_name = DATE_DAY_0.day_name AND fare_basis.basis_days = DAYS_0.days_code AND fare.fare_basis_code = fare_basis.fare_basis_code AND flight_fare.fare_id = fare.fare_id AND flight.flight_id = flight_fare.flight_id AND flight.from_airport = AIRPORT_SERVICE_0.airport_code) AND fare.round_trip_required = 'NO'