user: Question: Who was the director of the episode called "If I Had a Hammer"?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [37.0, 1.0, '"Living the Dream"', 'Marcos Siega', 'Clyde Phillips', 'September27,2009', '1.9']
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Title" = '"If I Had a Hammer"';