CREATE TABLE table_8258 ("Game" FLOAT, "April" FLOAT, "Opponent" TEXT, "Score" TEXT, "Record" TEXT)

Who is the opponent in a game higher than 76 on April 6?
SELECT "Opponent" FROM table_8258 WHERE "Game" > '76' AND "April" = '6'
SELECT "Opponent" FROM "table_8258" WHERE "April" = '6' AND "Game" > '76'