Question: when did the last harry potter movie come out in theaters
[{'answer': '2011', 'provenance': [{'wikipedia_id': '7629286', 'title': 'Harry Potter (film series)', 'start_paragraph_id': 1, 'start_character': 316, 'end_paragraph_id': 1, 'end_character': 320, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7629286', 'title': 'Harry Potter (film series)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 511, 'bleu_score': 0.701547072368472, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12703470365731803400}, 'section': 'Section::::Abstract.'}]}]