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

### Instruction:
Which Reservoir capacity has an Impounded body of water of tumut two pondage?

### Inputs:
table_name: table, columns: ['Dam constructed', 'Year completed', 'Impounded body of water', 'Reservoir capacity', 'Dam wall height', 'Dam type']

### Response:
SELECT Reservoir capacity FROM table WHERE Impounded body of water = tumut two pondage