Question: What is the average episode number where Jimmy Mulville was the 4th performer?
SQL: SELECT AVG("Episode") FROM "2-14934885-1" WHERE "Performer 4" = 'Jimmy Mulville';

Question: What is the total number of episodes where hugh laurie was the 3rd performer?
SQL: SELECT COUNT("Episode") FROM "2-14934885-1" WHERE "Performer 3" = 'hugh laurie';

Question: What is the lowest episode number where John Bird was the 4th performer?
SQL: SELECT MIN("Episode") FROM "2-14934885-1" WHERE "Performer 4" = 'John Bird';

Question: Who was the 3rd performer when Rory Bremner was the 4th performer?
SQL: SELECT "Performer 3" FROM "2-14934885-1" WHERE "Performer 4" = 'Rory Bremner';