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
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
[{'Aircraft': 'Robinson R-22'}, {'Aircraft': 'Mil Mi-26'}]