Table: episodes_26
Columns: no
col
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_million

Question: Who wrote "Concordia"?
SQL: SELECT "written_by" FROM episodes_26 WHERE "title" = '"Concordia"'

Question: What is the production code of the episode written by Cathryn Humphris?
SQL: SELECT "production_code" FROM episodes_26 WHERE "written_by" = 'Cathryn Humphris'

Question: What is the production code of the episode that had 5.43 million viewers?
SQL: SELECT "production_code" FROM episodes_26 WHERE "u_s_viewers_million" = '5.43'

Question: What was the title of the episode directed by Jesse Warn?
SQL: SELECT "production_code" FROM episodes_26 WHERE "directed_by" = 'Jesse Warn'

Question: What episode number was written by Gregg Hurwitz?
SQL: SELECT "no" FROM episodes_26 WHERE "written_by" = 'Gregg Hurwitz'