-- Database schema
| pilot : Pilot_Id [ INT ] primary_key , Name [ TEXT ] , Age [ INT ] | aircraft : Aircraft_ID [ INT ] primary_key , Aircraft [ TEXT ] , Description [ TEXT ] , Max_Gross_Weight [ TEXT ] , Total_disk_area [ TEXT ] , Max_disk_Loading [ TEXT ] | match : Round [ INT ] primary_key , Location [ TEXT ] , Country [ TEXT ] , Date [ TEXT ] , Fastest_Qualifying [ TEXT ] , Winning_Pilot [ TEXT ] match.Winning_Pilot = pilot.Pilot_Id , Winning_Aircraft [ TEXT ] match.Winning_Aircraft = aircraft.Aircraft_ID | airport : Airport_ID [ INT ] primary_key , Airport_Name [ TEXT ] , Total_Passengers [ INT ] , %_Change_2007 [ TEXT ] , International_Passengers [ INT ] , Domestic_Passengers [ INT ] , Transit_Passengers [ INT ] , Aircraft_Movements [ INT ] , Freight_Metric_Tonnes [ INT ] | airport_aircraft : ID [ INT ] , Airport_ID [ INT ] primary_key airport_aircraft.Airport_ID = airport.Airport_ID , Aircraft_ID [ INT ] airport_aircraft.Aircraft_ID = aircraft.Aircraft_ID |
-- -- List the names of aircrafts and that won matches at least twice.

SELECT T1.Aircraft FROM aircraft AS T1 JOIN MATCH AS T2 ON T1.Aircraft_ID  =  T2.Winning_Aircraft GROUP BY T2.Winning_Aircraft HAVING COUNT(*)  >=  2;