Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What engine was used during the race driven by Jan Lammers using a chassis of d3 d4, making a tyre of g and rounds of 4-6?

### Inputs:
table_name: table, columns: ['Constructor', 'Chassis', 'Engine', 'Tyres', 'Driver', 'Rounds']

### Response:
SELECT Engine FROM table WHERE Tyres = g AND Chassis = d3 d4 AND Driver = jan lammers AND Rounds = 4-6