Table: episode_data_41
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code

Question: Who directed k0122?
SQL: SELECT "directed_by" FROM episode_data_41 WHERE "production_code" = 'K0122'

Question: Which season had k0104?
SQL: SELECT MAX("no_in_season") FROM episode_data_41 WHERE "production_code" = 'K0104'

Question: Which season had "angel"?
SQL: SELECT "no_in_season" FROM episode_data_41 WHERE "title" = '"Angel"'

Question: What was the airdate of k0120?
SQL: SELECT "original_air_date" FROM episode_data_41 WHERE "production_code" = 'K0120'