user: Question: Who was the CM winning team when the FM winning team was #17 Elva - Ford?
Columns: ['Rnd', 'Circuit', 'AP Winning Team', 'BP Winning Team', 'CM Winning Team', 'CP Winning Team', 'DM Winning Team', 'DP Winning Team', 'EM Winning Team', 'EP Winning Team', 'FM Winning Team', 'FP Winning Team', 'GM Winning Team', 'GP Winning Team', 'HM Winning Team', 'HP Winning Team', 'Results']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Marlboro', 'Shelby', 'Chevrolet', 'Genie- Ford', 'Porsche', 'Ferrari', 'Triumph', 'Elva - Porsche', 'Porsche', 'Elva', 'Lotus', 'Lola', 'Triumph', 'Osca', 'Austin-Healey', 'Results']
SQL:

assistant: SELECT "CM Winning Team" FROM "Table" WHERE "FM Winning Team" = '#17 Elva - Ford';