Question: who is the president during the korean war
[{'answer': 'Harry S. Truman', 'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 10, 'start_character': 56, 'end_paragraph_id': 10, 'end_character': 71, 'bleu_score': 1.0, 'section': 'Section::::Names.\n'}]}, {'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 552, 'bleu_score': 0.9182093725758621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2519216638573350248}, 'section': 'Section::::Names.\n'}]}]