Question: when did the flyers win the stanley cup
[{'answer': '1973 -- 74'}, {'answer': '1974 -- 75'}, {'provenance': [{'wikipedia_id': '66941', 'title': 'Philadelphia Flyers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 351, 'bleu_score': 0.879412772586156, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8059017875399902222}, 'section': 'Section::::Abstract.'}]}]