Who was the opponent at the game attended by 45,000?
CREATE TABLE table_name_73 (opponent_number VARCHAR, attendance VARCHAR)
SELECT opponent_number FROM table_name_73 WHERE attendance = "45,000"
### Context: CREATE TABLE table_name_73 (opponent_number VARCHAR, attendance VARCHAR) ### Question: Who was the opponent at the game attended by 45,000? ### Answer: SELECT opponent_number FROM table_name_73 WHERE attendance = "45,000"