Table: episode_data_13
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code

Question: What is the title of the production code 1acx09?
SQL: SELECT "title" FROM episode_data_13 WHERE "production_code" = '1ACX09'

Question: How many series were directed by Rob Renzetti?
SQL: SELECT COUNT("no_in_series") FROM episode_data_13 WHERE "directed_by" = 'Rob Renzetti'

Question: Who wrote the series number 14?
SQL: SELECT "written_by" FROM episode_data_13 WHERE "no_in_series" = 14