user: Question: What is every original air date for the number in season of 7?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (in millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [44.0, 1.0, '" Reversals of Fortune "', 'J. Miller Tobin', 'Joshua Safran', 'September14,2009', '2.55']
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "No. in season" = 7.0;