user: Question: What is the lowest position for driver Kyle Busch?
Columns: ['Pos.', 'Car #', 'Driver', 'Make', 'Team']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 5.0, 'Mike Skinner', 'Toyota', 'Bill Davis Racing']
SQL:

assistant: SELECT MIN("Pos.") FROM "Table" WHERE "Driver" = 'Kyle Busch';