user: Question: If the title if The Lost Boy, how many directors were there?
Columns: ['Series #', 'Episode #', 'Title', 'Written by', 'Directed by', 'Viewers', 'Original airdate']
Types: ['real', 'real', 'text', 'text', 'text', 'real', 'text']
Sample row: [7.0, 1.0, 'The Lost Boy', 'Kristen Dunphy', 'Peter Andrikidis', 193000.0, '13 October 2009']
SQL:

assistant: SELECT COUNT("Directed by") FROM "Table" WHERE "Title" = 'The Lost Boy';