What Opponent has a Site of razorback stadium • fayetteville, ar, and a Date of october 7, 1967?
CREATE TABLE "schedule" (
  "date" text,
  "opponent" text,
  "site" text,
  "result" text,
  "attendance" text
);
SELECT "opponent" FROM "schedule" WHERE "site"='razorback stadium • fayetteville, ar' AND "date"='october 7, 1967';