CREATE TABLE table_203_187 (id DECIMAL, "conference" TEXT, "bids" DECIMAL, "record" TEXT, "win %" DECIMAL, "quarterfinals" DECIMAL, "semifinals" DECIMAL, "final" DECIMAL, "champions" DECIMAL)

which conference has a win percentage that is above the atlantic coast conference ?
SELECT "conference" FROM table_203_187 WHERE "win %" > (SELECT "win %" FROM table_203_187 WHERE "conference" = 'atlantic coast conference')
SELECT "conference" FROM "table_203_187" WHERE "win %" > (SELECT "win %" FROM "table_203_187" WHERE "conference" = 'atlantic coast conference')