Table: episodes_3
Columns: col
col_2
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_millions

Question: Who directed the episode whose production code is pabf05?
SQL: SELECT "directed_by" FROM episodes_3 WHERE "production_code" = 'PABF05'

Question: What is the last number in season of the episodes written by Dan Vebber?
SQL: SELECT MAX("col_2") FROM episodes_3 WHERE "written_by" = 'Dan Vebber'

Question: What is the number in season of the episode whose production code is pabf05?
SQL: SELECT "col_2" FROM episodes_3 WHERE "production_code" = 'PABF05'