user: Question: Name the directed by for production code for 3T7509
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (million)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [61.0, 1.0, '"Lazarus Rising"', 'Kim Manners', 'Eric Kripke', 'September18,2008', '3T7501', '3.96']
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Production code" = '3T7509';