CREATE TABLE table_39726 ("Game" FLOAT, "February" FLOAT, "Opponent" CLOB, "Score" CLOB, "Record" CLOB, "Points" FLOAT)

What is the opponent before game 57 when the score was 4 5?
SELECT "Opponent" FROM table_39726 WHERE "Game" < '57' AND "Score" = '4–5'
SELECT "Opponent" FROM "table_39726" WHERE "Game" < '57' AND "Score" = '4–5'