Question: when was the last time the eagles won the superbowl other than 2018
[{'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.'}]}, {'provenance': [{'wikipedia_id': '23339', 'title': 'Philadelphia Eagles', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 365, 'bleu_score': 0.674968758058559, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15226277711308715245}, 'section': 'Section::::Abstract.'}]}]