Question: who was the second man to climb mount everest
[{'answer': 'Tenzing Norgay', 'provenance': [{'wikipedia_id': '5208803', 'title': 'Timeline of Mount Everest expeditions', 'start_paragraph_id': 17, 'start_character': 338, 'end_paragraph_id': 17, 'end_character': 352, 'bleu_score': 1.0, 'section': 'Section::::Timeline.:1924: Mallory and Irvine.\n'}]}, {'provenance': [{'wikipedia_id': '5208803', 'title': 'Timeline of Mount Everest expeditions', 'start_paragraph_id': 42, 'start_character': 213, 'end_paragraph_id': 42, 'end_character': 1996, 'bleu_score': 0.816221262712276, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6646609173732753224}, 'section': 'Section::::Timeline.:1953: Edmund Hillary and Tenzing Norgay.\n'}]}]