Question: when did mount rainier become a national park
[{'answer': 'March 2 , 1899', 'provenance': [{'wikipedia_id': '191265', 'title': 'Mount Rainier National Park', 'start_paragraph_id': 14, 'start_character': 3, 'end_paragraph_id': 14, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::History.:Park creation.\n'}]}, {'provenance': [{'wikipedia_id': '191265', 'title': 'Mount Rainier National Park', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 705, 'bleu_score': 0.6662036026321531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18357942476699707540}, 'section': 'Section::::Abstract.'}]}]