Question: who first measured the height of mount everest
[{'answer': 'a 1955 Indian survey', 'provenance': [{'wikipedia_id': '42179', 'title': 'Mount Everest', 'start_paragraph_id': 2, 'start_character': 86, 'end_paragraph_id': 2, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42179', 'title': 'Mount Everest', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 591, 'bleu_score': 0.8849652982025271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15346359853139099002}, 'section': 'Section::::Abstract.'}]}]