CREATE TABLE table_36451 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Time" TEXT, "Att." FLOAT, "Record" TEXT)

Which Opponent has a Record of 43-56?
SELECT "Opponent" FROM table_36451 WHERE "Record" = '43-56'
SELECT "Opponent" FROM "table_36451" WHERE "Record" = '43-56'