user: Question: Who write episode number 48 in the series?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['41', '1', '"Josh Runs Into Oprah"', 'Roger Christiansen', 'Ethan Banville', 'September24,2006', '405']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "No. in series" = '48';