Question: how long is lotr return of the king extended edition
[{'answer': '251 minutes', 'provenance': [{'wikipedia_id': '174251', 'title': 'The Lord of the Rings: The Return of the King', 'start_paragraph_id': 97, 'start_character': 106, 'end_paragraph_id': 97, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Release.:Home media.\n'}]}, {'provenance': [{'wikipedia_id': '174251', 'title': 'The Lord of the Rings: The Return of the King', 'start_paragraph_id': 97, 'start_character': 0, 'end_paragraph_id': 97, 'end_character': 674, 'bleu_score': 0.9615573284832181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17531851854518975530}, 'section': 'Section::::Release.:Home media.\n'}]}]