Table: episodes_table_8
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date

Question: What is the name of the episode where the season number is 13?
SQL: SELECT "title" FROM episodes_table_8 WHERE "no_in_season" = 13

Question: If the episode was written by Tim Balme, what was the original air date?
SQL: SELECT "original_air_date" FROM episodes_table_8 WHERE "written_by" = 'Tim Balme'