user: Question: Who wrote series number 99?
Columns: ['Series #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [76.0, 1.0, '"Driving Me Crazy"', 'Tyler Perry', 'Lamont Ferrell', 'June4,2008', 401.0]
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "Series #" = 99.0;