Question: which country is called land of morning calm
[{'answer': 'Korea', 'provenance': [{'wikipedia_id': '183946', 'title': 'Names of Korea', 'start_paragraph_id': 0, 'start_character': 9, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '183946', 'title': 'Names of Korea', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 271, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18430519631157667052}, 'section': 'Section::::History.:Ancient history.:Gojoseon.\n'}]}]