user: Question: what is the most laps with the time/retired is differential and the grid is more than 2?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Nelson Piquet', 'Williams - Honda', 76.0, '1:59:26.793', 3.0]
SQL:

assistant: SELECT MAX("Laps") FROM "Table" WHERE "Time/Retired" = 'differential' AND "Grid" > 2.0;