human
Schema:
airport (id, City, Country, IATA, ICAO, name)
operate_company (id, name, Type, Principal_activities, Incorporated_in, Group_Equity_Shareholding)
flight (id, Vehicle_Flight_number, Date, Pilot, Velocity, Altitude, airport_id, company_id)
Please answer with SQL.
assistant
Sure, I understand.
human
where is the location of the conference? | What conference? | Do you know any name of the pilot that provides cargo?
assistant
SELECT T2.pilot FROM operate_company AS T1 JOIN flight AS t2 ON T1.id = T2.company_id WHERE T1.principal_activities = "Cargo" ;