user: Question: Who directed the episode written by Lamont Ferrell?
Columns: ['Series #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [60.0, 1.0, '"Wife Swap"', 'Tyler Perry', 'Kellie R. Griffin', 'March5,2008', 301.0]
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Written by" = 'Lamont Ferrell';