CREATE TABLE table_38255 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" TEXT)

Who was the opponent at the game attended by 62,657?
SELECT "Opponent" FROM table_38255 WHERE "Attendance" = '62,657'
SELECT "Opponent" FROM "table_38255" WHERE "Attendance" = '62,657'