Question: who is the youngest american to fly around the world
[{'answer': 'Matthew Lee Guthmiller', 'provenance': [{'wikipedia_id': '48603932', 'title': 'Matt Guthmiller', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48603932', 'title': 'Matt Guthmiller', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 535, 'bleu_score': 0.67971040255015, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10142966664891833128}, 'section': 'Section::::Abstract.'}]}]