What was the earliest week that had an attendance of less than 16,375, for a game played on November 22, 1964?
CREATE TABLE "season_schedule" (
  "week" real,
  "date" text,
  "opponent" text,
  "result" text,
  "attendance" real
);
SELECT MIN("week") FROM "season_schedule" WHERE "attendance"<'16,375' AND "date"='november 22, 1964';