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

### Instruction:
What capital has a population of 596268?

### Inputs:
table_name: table, columns: ['Code', 'County', 'Former Province', 'Area (km 2 )', 'Population Census 2009', 'Capital']

### Response:
SELECT Capital FROM table WHERE Population Census 2009 = 596268