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select A.id, B.age, A.coins_needed, A.power
FROM Wands A
JOIN Wands_Property B ON A.code = B.Code
JOIN
(
SELECT C.code, C.power , MIN(C.coins_needed) AS coins
FROM Wands C
Group By C.code, C.power
) AS filtered
ON A.code = filtered.code AND A.coins_needed = filtered.coins
Where B.is_evil = 0
Order By A.power DESC, B.age DESC, A.coins_needed ASC
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select A.id, B.age, A.coins_needed, A.power FROM Wands A JOIN Wands_Property B ON A.code = B.Code JOIN ( SELECT C.code, C.power , MIN(C.coins_needed) AS coins FROM Wands C Group By C.code, C.power ) AS filtered ON A.code = filtered.code AND A.coins_needed = filtered.coins Where B.is_evil = 0 Order By A.power DESC, B.age DESC, A.coins_needed ASC