user: Question: What is the smallest grid for Bob Anderson?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jack Brabham', 'Brabham - Repco', 90.0, '2:20:32.5', 1.0]
SQL:

assistant: SELECT MIN("Grid") FROM "Table" WHERE "Driver" = 'Bob Anderson';