Question: how many parts are there of harry potter movie
[{'answer': 'eight films', 'provenance': [{'wikipedia_id': '7629286', 'title': 'Harry Potter (film series)', 'start_paragraph_id': 4, 'start_character': 21, 'end_paragraph_id': 4, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7629286', 'title': 'Harry Potter (film series)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 365, 'bleu_score': 0.8317911425362611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12360431520962908651}, 'section': 'Section::::Abstract.'}]}]