Question: who created the dwarves lord of the rings
[{'answer': 'Vala Aulë', 'provenance': [{'wikipedia_id': '450925', 'title': 'Fathers of the Dwarves', 'start_paragraph_id': 2, 'start_character': 42, 'end_paragraph_id': 2, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '450925', 'title': 'Fathers of the Dwarves', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 359, 'bleu_score': 0.96746874041754, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10334083317122908372}, 'section': 'Section::::Abstract.'}]}]