Question: when was the national museum of natural history built
[{'answer': '1910', 'provenance': [{'wikipedia_id': '700610', 'title': 'National Museum of Natural History', 'start_paragraph_id': 1, 'start_character': 383, 'end_paragraph_id': 1, 'end_character': 387, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '700610', 'title': 'National Museum of Natural History', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 654, 'bleu_score': 0.8795163030938221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11346189811339549080}, 'section': 'Section::::Abstract.'}]}]