Table: tv_episode_25
Columns: no_in_series
title
directed_by
written_by
original_air_date
production_code

Question: Who wrote the episode with production code 57376?
SQL: SELECT "written_by" FROM tv_episode_25 WHERE "production_code" = 57376

Question: What is the smallest numbered production code listed?
SQL: SELECT MIN("production_code") FROM tv_episode_25

Question: What date did the episode that was directed by Christian i. nyby ii originally air on?
SQL: SELECT "original_air_date" FROM tv_episode_25 WHERE "directed_by" = 'Christian I. Nyby II'