How many items are listed under 'andrew and georgies guest lee mack replaced andrew flint as team captain for one week' for episode 04x04?
CREATE TABLE "table1_29141354_4" (
  "episode" text,
  "first_broadcast" text,
  "andrew_and_georgies_guest_lee_mack_replaced_andrew_flintoff_as_team_captain_for_one_week_in_series_4_episode_2" text,
  "jamie_and_johns_guest" text,
  "scores" text
);
SELECT COUNT("andrew_and_georgies_guest_lee_mack_replaced_andrew_flintoff_as_team_captain_for_one_week_in_series_4_episode_2") FROM "table1_29141354_4" WHERE "episode"='04x04';