Question: how many times have the philadelphia eagles won a super bowl
[{'answer': '1', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 1, 'start_character': 252, 'end_paragraph_id': 1, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]