Table: episode_stats
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
survivor_count

Question: What was the survivor count for the episode directed by Gwyneth Horder-Payton?
SQL: SELECT "survivor_count" FROM episode_stats WHERE "directed_by" = 'Gwyneth Horder-Payton'

Question: When did series number 65 originally air?
SQL: SELECT "original_air_date" FROM episode_stats WHERE "no_in_series" = 65