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

### Instruction:
What is the minimum area id the 2011 population is 3067549?

### Inputs:
table_name: table, columns: ['District', 'Headquarters', 'Area (km²)', 'Population (2011)', 'Division']

### Response:
SELECT MIN Area (km²) FROM table WHERE Population (2011) = 3067549