Question: who was president went the war ended in 1953
[{'answer': 'Dwight D. Eisenhower', 'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 111, 'start_character': 87, 'end_paragraph_id': 111, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Course of the war.:Armistice (July 1953 – November 1954).\n'}]}, {'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 111, 'start_character': 0, 'end_paragraph_id': 111, 'end_character': 437, 'bleu_score': 0.5219620029744351, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5615652953803420303}, 'section': 'Section::::Course of the war.:Armistice (July 1953 – November 1954).\n'}]}]