user: Question: Which Engine has Points of 3?
Columns: ['Year', 'Team', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1952.0, 'HW Motors Ltd', 'HWM 52', 'Alta 2.0 L4', 2.0]
SQL:

assistant: SELECT "Engine" FROM "Table" WHERE "Points" = 3.0;