Question: who created the first national park in america
[{'answer': 'George Catlin', 'provenance': [{'wikipedia_id': '19187901', 'title': 'History of the National Park Service', 'start_paragraph_id': 4, 'start_character': 55, 'end_paragraph_id': 4, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Beginnings.:National Parks 1864–1891.\n'}]}, {'provenance': [{'wikipedia_id': '19187901', 'title': 'History of the National Park Service', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 467, 'bleu_score': 0.9277431284700741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11768233107616804480}, 'section': 'Section::::Beginnings.:National Parks 1864–1891.\n'}]}]