CREATE TABLE "series_4" (
  "episode_number" real,
  "air_date" text,
  "guest_host" text,
  "who_knows_the_most_about_the_guest_host_panelists" text,
  "coat_of_cash_wearing_celebrity" text
);

Question: What date did the show air that had Duncan James and Kim Woodburn as panelists?
SQL: SELECT "air_date" FROM "series_4" WHERE "who_knows_the_most_about_the_guest_host_panelists"='duncan james and kim woodburn';