Question: who is the first person to land on moon
[{'answer': 'Neil Armstrong', 'provenance': [{'wikipedia_id': '662', 'title': 'Apollo 11', 'start_paragraph_id': 1, 'start_character': 78, 'end_paragraph_id': 1, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Buzz Aldrin', 'provenance': [{'wikipedia_id': '662', 'title': 'Apollo 11', 'start_paragraph_id': 1, 'start_character': 116, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '662', 'title': 'Apollo 11', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 761, 'bleu_score': 0.57636545572845, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11305580102666942385}, 'section': 'Section::::Abstract.'}]}]