user: Question: what is the grid when the rider is Mika Kallio?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Mika Kallio', 'KTM', 21.0, '48:12.217', 3.0]
SQL:

assistant: SELECT "Grid" FROM "Table" WHERE "Rider" = 'Mika Kallio';