CREATE TABLE table_74965 ("Date" TEXT, "Opponent#" TEXT, "Site" TEXT, "Result" TEXT, "Attendance" TEXT)

Who was the opponent at the game attended by 45,000?
SELECT "Opponent#" FROM table_74965 WHERE "Attendance" = '45,000'
SELECT "Opponent#" FROM "table_74965" WHERE "Attendance" = '45,000'