Question: when did the st louis cardinals win their first world series
[{'answer': '1926', 'provenance': [{'wikipedia_id': '23408844', 'title': 'St. Louis Cardinals', 'start_paragraph_id': 16, 'start_character': 50, 'end_paragraph_id': 16, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::History.:Breadon era (1920–1952).\n'}]}]