user: Question: What is the lowest grid that paul tracy had when he had over 4 points?
Columns: ['Name', 'Team', 'Laps', 'Time/Retired', 'Grid', 'Points']
Types: ['text', 'text', 'real', 'text', 'real', 'real']
Sample row: ['Justin Wilson', 'RuSPORT', 69.0, '1:46:02.236', 2.0, 32.0]
SQL:

assistant: SELECT MIN("Grid") FROM "Table" WHERE "Name" = 'paul tracy' AND "Points" > 4.0;