user: Question: Name who wrote number 47
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (million)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [43.0, 1.0, '"Baby on Board"', 'Salim Akil', 'Mara Brock Akil', 'October3,2008', '1.95']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "No. in series" = 47.0;