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

### Instruction:
who is the constructor when the driver is juan pablo montoya?

### Inputs:
table_name: table, columns: ['Entrant', 'Constructor', 'Chassis', 'Engine †', 'Tyre', 'Driver', 'Rounds', 'Free Practice driver(s)']

### Response:
SELECT Constructor FROM table WHERE Driver = juan pablo montoya