Question: What is the episode number that was first broadcast on 3 September 2010?
SQL: SELECT "Episode" FROM "1-23575917-4" WHERE "First broadcast" = '3 September 2010';

Question: Who is the Lees Team for episode 4x04?
SQL: SELECT "Lees team" FROM "1-23575917-4" WHERE "Episode" = '4x04';

Question: Who is on the David's Team for the episode with the Lees Team of Jack Dee and Peter Serafinowicz
SQL: SELECT "Davids team" FROM "1-23575917-4" WHERE "Lees team" = 'Jack Dee and Peter Serafinowicz';

Question: How many David's team for the Lees Team of Deborah Meaden and Mark Watson?
SQL: SELECT COUNT("Davids team") FROM "1-23575917-4" WHERE "Lees team" = 'Deborah Meaden and Mark Watson';