Table: episode_data_50
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code

Question: Who wrote the episode with a production code of ip03007?
SQL: SELECT "written_by" FROM episode_data_50 WHERE "production_code" = 'IP03007'

Question: What is the name of episode number 29 in the series?
SQL: SELECT "title" FROM episode_data_50 WHERE "no_in_series" = 29

Question: Who wrote the episode with ip03012 as the production code?
SQL: SELECT "written_by" FROM episode_data_50 WHERE "production_code" = 'IP03012'

Question: Who directed the episode with production code ip03010?
SQL: SELECT "directed_by" FROM episode_data_50 WHERE "production_code" = 'IP03010'