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

### Instruction:
What is the GP winner for the Race winners valentin giraud / nicolas musset, and a place genk?

### Inputs:
table_name: table, columns: ['Date', 'Place', 'Race winners', 'GP winner', 'Source']

### Response:
SELECT GP winner FROM table WHERE Race winners = valentin giraud / nicolas musset AND Place = genk