Table: comedy_show_episodes
Columns: episode
location
headliner
comedians
airdate

Question: What date did the show air when Rhod Gilbert was the headliner?
SQL: SELECT "airdate" FROM comedy_show_episodes WHERE "headliner" = 'Rhod Gilbert'

Question: What date did the show air when Sean Lock was the headliner?
SQL: SELECT "airdate" FROM comedy_show_episodes WHERE "headliner" = 'Sean Lock'

Question: Who were the comedians on episode 1x03?
SQL: SELECT "comedians" FROM comedy_show_episodes WHERE "episode" = '1x03'

Question: What episode took place in Belfast Waterfront Hall?
SQL: SELECT "episode" FROM comedy_show_episodes WHERE "location" = 'Belfast Waterfront Hall'

Question: Who were the comedians during the episode located in Birmingham Hippodrome?
SQL: SELECT "comedians" FROM comedy_show_episodes WHERE "location" = 'Birmingham Hippodrome'