user: Question: What driver has under 53 laps, a grid smaller than 14, and a time/retired of Differential?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jim Clark', 'Lotus - BRM', 108.0, '2:09:40.11', 2.0]
SQL:

assistant: SELECT "Driver" FROM "Table" WHERE "Laps" < 53.0 AND "Grid" < 14.0 AND "Time/Retired" = 'Differential';