Question: who is widely believed to be the first person to have officially reached the north pole
[{'answer': 'Robert Peary', 'provenance': [{'wikipedia_id': '25437008', 'title': 'Arctic exploration', 'start_paragraph_id': 28, 'start_character': 19, 'end_paragraph_id': 28, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Northwest Passage.:The North Pole.\n'}]}, {'provenance': [{'wikipedia_id': '25437008', 'title': 'Arctic exploration', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 457, 'bleu_score': 0.9738505480425671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2863654822623029580}, 'section': 'Section::::Northwest Passage.:The North Pole.\n'}]}]