Question: when was the last time the philadelphia flyers won the stanley cup
[{'answer': '1975', 'provenance': [{'wikipedia_id': '11122533', 'title': 'List of Philadelphia Flyers seasons', 'start_paragraph_id': 2, 'start_character': 90, 'end_paragraph_id': 2, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11122533', 'title': 'List of Philadelphia Flyers seasons', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 534, 'bleu_score': 0.8610642857942331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11874126514354877574}, 'section': 'Section::::Abstract.'}]}]