Table: tv_episode_data_129
Columns: series
season
title
directed_by
written_by
original_air_date
prod_code
u_s_viewers_millions

Question: How many episodes titled "Blue in the face" were directed by Sean McNamara?
SQL: SELECT COUNT("series") FROM tv_episode_data_129 WHERE "directed_by" = 'Sean McNamara' AND "title" = '"Blue in the Face"'

Question: Who wrote the episode with the production code 211?
SQL: SELECT "written_by" FROM tv_episode_data_129 WHERE "prod_code" = 211

Question: What is the maximum production code of the episode directed by Sean McNamara?
SQL: SELECT MAX("prod_code") FROM tv_episode_data_129 WHERE "directed_by" = 'Sean McNamara'