Question: when was the last time the arizona diamondbacks won the world series
[{'answer': '2001', 'provenance': [{'wikipedia_id': '2129', 'title': 'Arizona Diamondbacks', 'start_paragraph_id': 1, 'start_character': 435, 'end_paragraph_id': 1, 'end_character': 439, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]