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

### Instruction:
What is the smallest grid with collision as the Time/Retired for pedro diniz?

### Inputs:
table_name: table, columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']

### Response:
SELECT MIN Grid FROM table WHERE Time/Retired = collision AND Driver = pedro diniz