Table: tv_episode_19
Columns: episode
prod
title
directed_by
written_by
originalairdate

Question: what is the title of the episode daphne field wrote?
SQL: SELECT "title" FROM tv_episode_19 WHERE "written_by" = 'Daphne Field'

Question: who directed the episode james clavell wrote?
SQL: SELECT "directed_by" FROM tv_episode_19 WHERE "written_by" = 'James Clavell'

Question: how many times was the episode directed by maury geraghty originally aired? 
SQL: SELECT COUNT("originalairdate") FROM tv_episode_19 WHERE "directed_by" = 'Maury Geraghty'