In how many episodes were Vanessa Feltz and Lee Mack the team for Sean? 
CREATE TABLE "series_6" (
  "episode" text,
  "first_broadcast" text,
  "seans_team" text,
  "jasons_team" text,
  "scores" text
);
SELECT COUNT("episode") FROM "series_6" WHERE "seans_team"='Vanessa Feltz and Lee Mack';