Question: how many times have the saints won a superbowl
[{'answer': '1', 'provenance': [{'wikipedia_id': '21720', 'title': 'New Orleans Saints', 'start_paragraph_id': 1, 'start_character': 340, 'end_paragraph_id': 1, 'end_character': 341, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]