user: Question: which episode did Sarah Millican and Grayson Perry appear in
Columns: ['Episode', 'Broadcast date', 'Guest(s)', 'Singer(s)', 'Ratings']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, '14August2012', 'Michael McIntyre and Alex James', 'Amy Macdonald', '1.44m']
SQL:

assistant: SELECT "Episode" FROM "Table" WHERE "Guest(s)" = 'Sarah Millican and Grayson Perry';