Table: episodes_table_66
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code

Question: What is the original air date of the episode that was number 31 in the series? 
SQL: SELECT "original_air_date" FROM episodes_table_66 WHERE "no_in_series" = 31

Question: What is the original air date of the episode that was directed by Bruce Seth Green?
SQL: SELECT "original_air_date" FROM episodes_table_66 WHERE "directed_by" = 'Bruce Seth Green'

Question: Who wrote the episode titled "Goliath (Part 2)"?
SQL: SELECT "written_by" FROM episodes_table_66 WHERE "title" = '"Goliath (Part 2)"'

Question: What number episode in the season was titled "K.I.T.T. the Cat"?
SQL: SELECT MAX("no_in_season") FROM episodes_table_66 WHERE "title" = '"K.I.T.T. the Cat"'