SELECT DISTINCT O.battle
FROM Outcomes O
INNER JOIN Ships S ON S.name = O.ship
INNER JOIN Classes C ON C.class = S.class
GROUP BY O.battle, C.country
HAVING COUNT(*) >= 3
@mike01 hello mike , im very sorry for not being able to find the ddl because the website doesnt give that to users we just have to built the query with what i told u , thanks for ur supporting