Question: who is fire lord in legend of korra
[{'answer': 'Ozai', 'provenance': [{'wikipedia_id': '2047264', 'title': 'Zuko', 'start_paragraph_id': 1, 'start_character': 242, 'end_paragraph_id': 1, 'end_character': 246, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2047264', 'title': 'Zuko', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 941, 'bleu_score': 0.8951430232543941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13213427897674294662}, 'section': 'Section::::Abstract.'}]}]