Question: what is the creature in the mines of moria
[{'answer': 'Balrogs', 'provenance': [{'wikipedia_id': '64042', 'title': 'Balrog', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '64042', 'title': 'Balrog', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 352, 'bleu_score': 0.6710540558048821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10793265512221890044}, 'section': 'Section::::Abstract.'}]}]