Which opponent has an attendance greater than 57,491, with october 28, 1962 as the date?
CREATE TABLE "schedule" (
  "week" real,
  "date" text,
  "opponent" text,
  "result" text,
  "attendance" real
);
SELECT "opponent" FROM "schedule" WHERE "attendance">'57,491' AND "date"='october 28, 1962';