Table: rob_brydon_show_episodes_2
Columns: episode
broadcast_date
guest_s
singer_s
ratings

Question: who guest starred on the episode with a 1.44m rating
SQL: SELECT "guest_s" FROM rob_brydon_show_episodes_2 WHERE "ratings" = '1.44m'

Question: when was the episode on which barbara windsor and heston blumenthal guest starred broadcasted
SQL: SELECT "broadcast_date" FROM rob_brydon_show_episodes_2 WHERE "guest_s" = 'Barbara Windsor and Heston Blumenthal'

Question: how many broadcaste dates features the overtones
SQL: SELECT COUNT("broadcast_date") FROM rob_brydon_show_episodes_2 WHERE "singer_s" = 'The Overtones'

Question: how many guest stars did the episode that was broadcasted 11september2012 have
SQL: SELECT COUNT("guest_s") FROM rob_brydon_show_episodes_2 WHERE "broadcast_date" = '11September2012'

Question: when was the episode guest starring michael mcintyre and alex james broadcasted
SQL: SELECT "broadcast_date" FROM rob_brydon_show_episodes_2 WHERE "guest_s" = 'Michael McIntyre and Alex James'

Question: which episode did sarah millican and grayson perry appear in
SQL: SELECT MIN("episode") FROM rob_brydon_show_episodes_2 WHERE "guest_s" = 'Sarah Millican and Grayson Perry'