Table: episode_data_40
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code

Question: When was the original air date written by michael s. chernuchin & joe morgenstern?
SQL: SELECT "original_air_date" FROM episode_data_40 WHERE "written_by" = 'Michael S. Chernuchin & Joe Morgenstern'

Question: Who is the written by when the title is "his hour upon the stage"?
SQL: SELECT "written_by" FROM episode_data_40 WHERE "title" = '"His Hour Upon the Stage"'

Question: Who is the directed by when the production code is 67425?
SQL: SELECT "directed_by" FROM episode_data_40 WHERE "production_code" = 67425