Table: big_wavedave_episodes
Columns: title
director
writer
original_airdate
prod_code

Question: Who directed the episode with production code 40811-005?
SQL: SELECT "director" FROM big_wavedave_episodes WHERE "prod_code" = '40811-005'

Question: What is the title of the episode with production code 40811-002?
SQL: SELECT "title" FROM big_wavedave_episodes WHERE "prod_code" = '40811-002'

Question: Who wrote "The Six Stages of Marshall"?
SQL: SELECT "writer" FROM big_wavedave_episodes WHERE "title" = '"the six stages of marshall"'