user: Question: Tell me the sum of Grid for Giancarlo Fisichella
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Rubens Barrichello', 'Ferrari', 53.0, '1:16:19.982', 4.0]
SQL:

assistant: SELECT SUM("Grid") FROM "Table" WHERE "Driver" = 'Giancarlo Fisichella';