Question: number of films in lord of the rings
[{'answer': 'three', 'provenance': [{'wikipedia_id': '414113', 'title': 'The Lord of the Rings (film series)', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '414113', 'title': 'The Lord of the Rings (film series)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3224210571676022732}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '414113', 'title': 'The Lord of the Rings (film series)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Lord of the Rings is a film series of three epic fantasy adventure films directed by Peter Jackson, based on the eponymous novel written by J. R. R. Tolkien. The films are subtitled "" (2001), "" (2002) and "" (2003).', 'The Lord of the Rings is a film series of three epic fantasy adventure films directed by Peter Jackson, based on the eponymous novel written by J. R. R. Tolkien.', 'The Lord of the Rings is a film series of three epic fantasy adventure films directed by Peter Jackson, based on the eponymous novel written by J. R. R. Tolkien. The films are subtitled']}}]}]