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

### Instruction:
what is the minimum code with area (km 2 ) being 12,245.9

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

### Response:
SELECT MIN Code FROM table WHERE Area (km 2 ) = 12,245.9