def METHOD_NAME(self):
    output = self.get_output_as_io(['--csv', '-c', '4', 'examples/realdata/ks_1033_data.csv'])
    reader = agate.csv.reader(output)
    header = next(reader)
    self.assertEqual(header[1], 'column_name')
    self.assertEqual(header[4], 'unique')
    row = next(reader)
    self.assertEqual(row[1], 'nsn')
    self.assertEqual(row[2], 'Text')
    self.assertEqual(row[5], '')
    self.assertEqual(row[11], '16')