CREATE TABLE MATCH (Winning_Aircraft VARCHAR2)
CREATE TABLE aircraft (Aircraft VARCHAR2, Aircraft_ID VARCHAR2)

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" "T1" JOIN "MATCH" "T2" ON "T1"."Aircraft_ID" = "T2"."Winning_Aircraft" GROUP BY "T2"."Winning_Aircraft" HAVING COUNT(*) >= 2