user: Question: Name the date for Mark Cavendish
Columns: ['Stage', 'Route', 'Distance', 'Date', 'Winner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['P', 'Hasselt – Hasselt', '5.1km', 'Wednesday, August 22', 'Michiel Elijzen']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Winner" = 'Mark Cavendish';