user: Question: How many grid numbers were there for the driver giancarlo fisichella?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Mika Häkkinen', 'McLaren - Mercedes', 44.0, '1:28:14.494', 1.0]
SQL:

assistant: SELECT COUNT("Grid") FROM "Table" WHERE "Driver" = 'giancarlo fisichella';