Question: when did harry potter and the philosopher's stone movie come out
[{'answer': '16 November 2001', 'provenance': [{'wikipedia_id': '667361', 'title': "Harry Potter and the Philosopher's Stone (film)", 'start_paragraph_id': 3, 'start_character': 76, 'end_paragraph_id': 3, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]