user: Question: What was the length time of the 3.5 release?
Columns: ['Title', 'Series', 'Release', 'Featuring', 'Writer', 'Director', 'Length', 'Timeline', 'Release Date']
Types: ['text', 'text', 'text', 'text', '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'", 'Season 3 before Fair Game', 'April 1, 2008']
SQL:

assistant: SELECT "Length" FROM "Table" WHERE "Release" = '3.5';