user: Question: What is the date that the winner driver is Stirling Moss in the race named VI Grand Prix de Caen?
Columns: ['Race Name', 'Circuit', 'Date', 'Winning driver', 'Constructor', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['VI Glover Trophy', 'Goodwood', '7 April', 'Mike Hawthorn', 'Ferrari', 'Report']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Winning driver" = 'Stirling Moss' AND "Race Name" = 'VI Grand Prix de Caen';