user: Question: What was the length when James Swallow had a release longer than 2.1?
Columns: ['Title', 'Series', 'Release', 'Featuring', 'Writer', 'Director', 'Length', 'Release Date']
Types: ['text', 'text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Gift of the Gods', 'Stargate SG-1', 1.1, 'Michael Shanks John Schwab', 'Sally Malcolm', 'Sharon Gosling', "70'", 'April 1, 2008']
SQL:

assistant: SELECT "Length" FROM "Table" WHERE "Writer" = 'James Swallow' AND "Release" > 2.1;