Question: how many times have the penguins won the stanley cup
[{'answer': '5', 'provenance': [{'wikipedia_id': '66964', 'title': 'Pittsburgh Penguins', 'start_paragraph_id': 5, 'start_character': 79, 'end_paragraph_id': 5, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Team history.:Early years (1967–1984).\n'}]}]