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

### Instruction:
What is the sum of Long for derrick locke?

### Inputs:
table_name: table, columns: ['Name', 'GP-GS', 'Gain', 'Loss', 'Long', 'Avg/G']

### Response:
SELECT SUM Long FROM table WHERE Name = derrick locke