user: Question: Which driver drove car McLaren M23 at the Snetterton Circuit?
Columns: ['Round', 'Name', 'Circuit', 'Date', 'Winning driver', 'Winning car']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'International Gold Cup', 'Oulton Park', 'March 24', 'Tony Trimmer', 'McLaren M23']
SQL:

assistant: SELECT "Winning driver" FROM "Table" WHERE "Winning car" = 'McLaren M23' AND "Circuit" = 'Snetterton';