user: Question: How many are directed by episodes with the production code 3T5009?
Columns: ['No.', '#', 'Title', 'Directed by', 'Written by', 'Patient Portrayer', 'Original air date', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [45.0, 1.0, '"Cindy Plumb"', 'Ryan Murphy', 'Ryan Murphy', 'Kathleen Turner', 'September5,2006', '3T5001']
SQL:

assistant: SELECT COUNT("Directed by") FROM "Table" WHERE "Production code" = '3T5009';