user: Question: When did "Granny Pig's Chickens" first air?
Columns: ['Episode number', 'Total episodes', 'Title', 'Original UK broadcast by', 'Original UK airdate', 'DVD reference']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 106.0, '"Work and Play"', 'Channel 5', '4 May 2009', '11.02']
SQL:

assistant: SELECT "Original UK airdate" FROM "Table" WHERE "Title" = '"Granny Pig''s Chickens"';