Table: episode_data_8
Columns: no_in_season
no_disc
title
directed_by
written_by
original_air_date

Question: Who wrote episode 11, of which was directed by Will Waring?
SQL: SELECT "written_by" FROM episode_data_8 WHERE "directed_by" = 'Will Waring' AND "no_in_season" = 11

Question: Who wrote the episode directed by Peter Woeste?
SQL: SELECT "written_by" FROM episode_data_8 WHERE "directed_by" = 'Peter Woeste'