Question: what is the language spoken in north korea
[{'answer': 'munhwaŏ', 'provenance': [{'wikipedia_id': '6060192', 'title': 'North–South differences in the Korean language', 'start_paragraph_id': 63, 'start_character': 125, 'end_paragraph_id': 63, 'end_character': 132, 'bleu_score': 1.0, 'section': 'Section::::Vocabulary.\n'}]}, {'provenance': [{'wikipedia_id': '6060192', 'title': 'North–South differences in the Korean language', 'start_paragraph_id': 63, 'start_character': 0, 'end_paragraph_id': 63, 'end_character': 673, 'bleu_score': 0.9808590314834971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13549971232017878318}, 'section': 'Section::::Vocabulary.\n'}]}]