user: Question: Who directed "The Diaper Incident"?
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: [25.0, 1.0, '"Back to School"', 'Wendey Stanzler', 'DeAnn Heline & Eileen Heisler', 'September22,2010', '3X6501', '8.81']
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Title" = '"The Diaper Incident"';