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

### Instruction:
Name the iso for chungcheongnam

### Inputs:
table_name: table, columns: ['RR Romaja', 'M–R Romaja', 'Hangul/Chosongul', 'Hanja', 'ISO', 'Area', 'Capital', 'Region', 'Country']

### Response:
SELECT ISO FROM table WHERE RR Romaja = Chungcheongnam