user: Question: What Winning driver has a Name of Mugello Circuit?
Columns: ['Name', 'Circuit', 'Date', 'Winning driver', 'Winning constructor', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Tripoli Grand Prix', 'Tripoli', '24 March', 'Gastone Brilli-Peri', 'Talbot', 'Report']
SQL:

assistant: SELECT "Winning driver" FROM "Table" WHERE "Name" = 'Mugello Circuit';