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

### Instruction:
How much Long has a Loss larger than 2, and a Gain of 157, and an Avg/G smaller than 129?

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

### Response:
SELECT SUM Long FROM table WHERE Loss > 2 AND Gain = 157 AND Avg/G < 129