user: Question: Who wrote the episode that received 1.83 million U.S. viewers?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [11.0, 1.0, '"The Birthday Present"', 'Jeff Melman', 'Craig Wright & Jon Harmon Feldman', 'October1,2008', '7.02']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "U.S. viewers (millions)" = '1.83';