Question: when has the eagles been to the super bowl
[{'answer': '1960', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 1, 'start_character': 430, 'end_paragraph_id': 1, 'end_character': 434, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '1980', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 48, 'start_character': 3, 'end_paragraph_id': 48, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.:Vermeil and Campbell era (1976–1985).\n'}]}, {'answer': '2004', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 71, 'start_character': 738, 'end_paragraph_id': 71, 'end_character': 742, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.:Andy Reid era (1999–2012).\n'}]}, {'answer': '2017', 'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 1, 'start_character': 250, 'end_paragraph_id': 1, 'end_character': 254, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]