user: Question: Which drivers won $40,000 in the NASCAR Winston Cup?
Columns: ['Position', 'Driver', 'Points', 'Winnings', 'Series']
Types: ['real', 'text', 'real', 'text', 'text']
Sample row: [1.0, 'Mark Martin', 72.0, '$225,000', 'NASCAR Winston Cup']
SQL:

assistant: SELECT "Driver" FROM "Table" WHERE "Series" = 'NASCAR Winston Cup' AND "Winnings" = '$40,000';