CREATE TABLE "series_3" (
  "episode" real,
  "broadcast_date" text,
  "guest_s" text,
  "singer_s" text,
  "ratings" text
);

Question: who guest starred on the episode with a 1.44m rating
SQL: SELECT "guest_s" FROM "series_3" WHERE "ratings"='1.44m';

Question: when was the episode on which barbara windsor and heston blumenthal guest starred broadcasted
SQL: SELECT "broadcast_date" FROM "series_3" WHERE "guest_s"='Barbara Windsor and Heston Blumenthal';

Question: how many broadcaste dates features the overtones
SQL: SELECT COUNT("broadcast_date") FROM "series_3" WHERE "singer_s"='The Overtones';

Question: how many guest stars did the episode that was broadcasted 11september2012 have
SQL: SELECT COUNT("guest_s") FROM "series_3" WHERE "broadcast_date"='11September2012';

Question: when was the episode guest starring michael mcintyre and alex james broadcasted
SQL: SELECT "broadcast_date" FROM "series_3" WHERE "guest_s"='Michael McIntyre and Alex James';

Question: which episode did sarah millican and grayson perry appear in
SQL: SELECT MIN("episode") FROM "series_3" WHERE "guest_s"='Sarah Millican and Grayson Perry';