user: Question: Name the air date for UK17
Columns: ['No. overall', 'No. in series', 'Family/families', 'Location(s)', 'Original air date']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['UK16', 1.0, 'The Hillhouse–Docherty Family', 'Ayr ( Scotland )', '29August2006']
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "No. overall" = 'UK17';