user: Question: If the number in the season is 22, what is the original air date?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [225.0, 1.0, '"Unstable"', 'Arthur W. Forney', 'Judith McCreary', 'September23,2009', 11001.0, '8.36']
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "No. in season" = 22.0;