Table: series_episodes
Columns: series
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_million

Question: What is the series # of "tanarak"?
SQL: SELECT MIN("series") FROM series_episodes WHERE "title" = '"Tanarak"'

Question: Who wrote the episode with the production code 2j5153?
SQL: SELECT "written_by" FROM series_episodes WHERE "production_code" = '2J5153'