Question: who is the only person who biked to the south pole
[{'answer': 'Daniel Paul Burton', 'provenance': [{'wikipedia_id': '43408017', 'title': 'Daniel Burton', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43408017', 'title': 'Daniel Burton', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 349, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17920543287033899806}, 'section': 'Section::::Abstract.'}]}]