CREATE TABLE table_47356 ("Date" TEXT, "Time" TEXT, "Opponent" TEXT, "Location" TEXT, "Score" TEXT)

Who was the opposing team in the game(s) that started at 7:30pm?
SELECT "Opponent" FROM table_47356 WHERE "Time" = '7:30pm'
SELECT "Opponent" FROM "table_47356" WHERE "Time" = '7:30pm'