Table: episodes_table_6
Columns: episode
first_broadcast
rufus_guest
marcus_guest
winner

Question: When is the first broadcast for episodes where Rufus's guest is Jack Whitehall?
SQL: SELECT "first_broadcast" FROM episodes_table_6 WHERE "rufus_guest" = 'Jack Whitehall'

Question: Which episodes have Chris Addison as Rufus's guest?
SQL: SELECT "episode" FROM episodes_table_6 WHERE "rufus_guest" = 'Chris Addison'

Question: What is the resulting score for the episodes where Rufus's guest is Sean Lock?
SQL: SELECT "winner" FROM episodes_table_6 WHERE "rufus_guest" = 'Sean Lock'

Question: What is the first broadcast date for episode 3x10?
SQL: SELECT "first_broadcast" FROM episodes_table_6 WHERE "episode" = '3x10'