user: Question: Who directed the episode titled "Not Without My Jacket"?
Columns: ['No.', 'Title', 'Directed by', 'Written by', 'U.S. viewers (million)', 'Original air date', 'Production code']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2.0, '"Wi-Fight"', 'Gail Mancuso', 'Jeff Astrof', '10.43', 'September30,2010', '2J5652']
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Title" = '"Not Without My Jacket"';