user: ### NOW ANSWER:
Question: who was the director of the episode with production code AD1A26?
Columns: ['Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['" Los Angeles "', 'Don Colliver', 'Peter Field Rachael Ray', 'April1,2002', 'AD1A01']
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Production code" = 'AD1A26';