Question: who invaded south korea and tried to take over their country
[{'answer': 'North Korea', 'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 0.527809983748705, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9504343316891972610}, 'section': 'Section::::Abstract.'}]}]