user: ### NOW ANSWER:
Question: Which titles were directed by George Blair and written by Jackson Gillis?
Columns: ['Series #', 'Season #', 'Title', 'Directed by:', 'Written by:', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [27.0, 1.0, '"Five Minutes to Doom"', 'Thomas Carr', 'Monroe Manning', 'September 18, 1953']
SQL:

assistant: SELECT "Title" FROM "Table" WHERE "Directed by:" = 'George Blair' AND "Written by:" = 'Jackson Gillis';