What was the attendance for the game held on September 18, 1994, with a week less than 5?
CREATE TABLE "schedule" (
  "week" real,
  "date" text,
  "opponent" text,
  "result" text,
  "tv_time" text,
  "attendance" real
);
SELECT "attendance" FROM "schedule" WHERE "week"<5 AND "date"='september 18, 1994';