CREATE TABLE table_9333 ("Game" FLOAT, "March" FLOAT, "Opponent" TEXT, "Score" TEXT, "Record" TEXT)

who is the opponent after march 21 and the game is 75?
SELECT "Opponent" FROM table_9333 WHERE "March" > '21' AND "Game" = '75'
SELECT "Opponent" FROM "table_9333" WHERE "Game" = '75' AND "March" > '21'