Question: who was the first to reach the summit of mount everest
[{'answer': 'Sir Edmund Percival Hillary', 'provenance': [{'wikipedia_id': '73572', 'title': 'Edmund Hillary', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tenzing Norgay', 'provenance': [{'wikipedia_id': '73572', 'title': 'Edmund Hillary', 'start_paragraph_id': 1, 'start_character': 178, 'end_paragraph_id': 1, 'end_character': 192, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '73572', 'title': 'Edmund Hillary', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 349, 'bleu_score': 0.710855658519231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1103948620540106544}, 'section': 'Section::::Abstract.'}]}]