user: Question: How many years have Drivers of ben hanley, and Flaps smaller than 0?
Columns: ['Year', 'Team name', 'Drivers', 'Races', 'Wins', 'Poles', 'FLaps', 'Points', 'D.C.', 'T.C.']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: [2005.0, 'Campos Racing', 'Juan Cruz Álvarez', 23.0, 0.0, 0.0, 0.0, 4.5, '18th', '12th']
SQL:

assistant: SELECT COUNT("Year") FROM "Table" WHERE "Drivers" = 'ben hanley' AND "FLaps" < 0.0;