Question: who lead north korea in the korean war
[{'answer': 'Kim Il - Sung', 'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 207, 'start_character': 124, 'end_paragraph_id': 207, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Aftermath.\n'}]}, {'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 571, 'bleu_score': 0.8812911720859491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9153157646594165986}, 'section': 'Section::::Background.:Prelude to war (1950).\n'}]}]