user: Question: What is the rating for the episode in which the 18-49 rating is 0.4?
Columns: ['#', 'Episode', 'Air Date', 'Timeslot (EST)', 'Rating', 'Share', '18–49 Rating', 'Viewers (millions)', 'Rank']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '" Pilot "', 'September 26, 2007', 'Wednesday, 10:01 P.M.', '7.4', '12', '3.6', '10.44', '#31']
SQL:

assistant: SELECT "Rating" FROM "Table" WHERE "18–49 Rating" = '0.4';