user: Question: What is the highest numbered grid for piercarlo ghinzani with over 3 laps?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Nigel Mansell', 'Williams - Honda', 43.0, '1:27:57.925', 5.0]
SQL:

assistant: SELECT MAX("Grid") FROM "Table" WHERE "Driver" = 'piercarlo ghinzani' AND "Laps" > 3.0;