CREATE TABLE table_61713 ("Date" CLOB, "Opponent#" CLOB, "Rank #" CLOB, "Site" CLOB, "Result" CLOB, "Attendance" CLOB)

Who was the opponent when the attendance was 87,453?
SELECT "Opponent#" FROM table_61713 WHERE "Attendance" = '87,453'
SELECT "Opponent#" FROM "table_61713" WHERE "Attendance" = '87,453'