user: Question: How many tv series had an adult rating of 1.2?
Columns: ['Season', 'Timeslot', 'Season premiere', 'Season finale', 'TV season', 'Rank', 'U.S. viewers (in millions)', 'Rating (adults 18–49)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Wednesday 9/8c Monday 8/7c', 'September 19, 2007', 'May 19, 2008', '2007–08', '#196', '2.35', '1.2']
SQL:

assistant: SELECT COUNT("TV season") FROM "Table" WHERE "Rating (adults 18–49)" = '1.2';