user: Question: Who won on September 6?
Columns: ['Year', 'Date', 'Race name', 'Winner', 'Engine']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1946.0, 'March 31', 'Mike Benton Sweepstakes (non-points)', 'Jimmy Wilburn', 'Offy']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "Date" = 'September 6';