user: Question: How many years did wilson fittipaldi race?
Columns: ['Year', 'Event', 'Venue', 'Driver', 'Result']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1975.0, 'BRDC International Trophy', 'Silverstone', 'Wilson Fittipaldi', 'Ret']
SQL:

assistant: SELECT COUNT("Year") FROM "Table" WHERE "Driver" = 'wilson fittipaldi';