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

### Instruction:
What is Fonsi Nieto's average grid when he's riding a Suzuki GSX-R1000?

### Inputs:
table_name: table, columns: ['Rider', 'Bike', 'Laps', 'Time', 'Grid']

### Response:
SELECT AVG Grid FROM table WHERE Bike = suzuki gsx-r1000 AND Rider = fonsi nieto