Table: episodes_table
Columns: no_in_set
no_in_series
title
directed_by
written_by
original_air_date
production_code

Question: The episode with production code 9abx02 was originally aired on what date?
SQL: SELECT "original_air_date" FROM episodes_table WHERE "production_code" = '9ABX02'

Question: What is the episode number that has production code 8abx15?
SQL: SELECT MIN("no_in_series") FROM episodes_table WHERE "production_code" = '8ABX15'