Which tv had the date december 7, 1986?
CREATE TABLE "schedule" (
  "week" text,
  "date" text,
  "opponent" text,
  "result" text,
  "kickoff_a" text,
  "game_site" text,
  "tv" text,
  "attendance" text,
  "record" text
);
SELECT "tv" FROM "schedule" WHERE "date"='December 7, 1986';