user: Question: Name who directed the episode for the series number 236
Columns: ['Series #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [224.0, 1.0, '"One for the Road"', 'Christopher Chulack', 'Joe Sachs', 'September23,2004']
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Series #" = 236.0;