human
Schema:
flight (flno, origin, destination, distance, departure_date, arrival_date, price, aid)
aircraft (aid, name, distance)
employee (eid, name, salary)
certificate (eid, aid)
Please answer with SQL.
assistant
Sure, I understand.
human
What are the IDs of the aircrafts with name Airbus A340-300?
assistant
SELECT distinct aid FROM Aircraft WHERE name = "Airbus A340-300" ;