Question: when did the eagles last play in a superbowl
[{'answer': '2017 season', 'provenance': [{'wikipedia_id': '8630912', 'title': '2004 Philadelphia Eagles season', 'start_paragraph_id': 3, 'start_character': 808, 'end_paragraph_id': 3, 'end_character': 819, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8630912', 'title': '2004 Philadelphia Eagles season', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 819, 'bleu_score': 0.911768590134963, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15715372045445273771}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8630912', 'title': '2004 Philadelphia Eagles season', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15715372045445273771}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8630912', 'title': '2004 Philadelphia Eagles season', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ["This season was considered the franchise's most successful until their Super Bowl LII-winning 2017 season.", "The game was hard fought, but the Eagles fell 2421, ending their magical season one score short of the ultimate goal. This season was considered the franchise's most successful until their Super Bowl LII-winning 2017 season.", "This season was considered the franchise's most successful until their Super Bowl LII-winning 2017 season."]}}]}]