Question: when was the st louis art museum built
[{'answer': '1904', 'provenance': [{'wikipedia_id': '745270', 'title': 'Saint Louis Art Museum', 'start_paragraph_id': 5, 'start_character': 27, 'end_paragraph_id': 5, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]