Question: what are the hormones produced by the kidney
[{'answer': 'erythropoietin', 'provenance': [{'wikipedia_id': '17025', 'title': 'Kidney', 'start_paragraph_id': 2, 'start_character': 833, 'end_paragraph_id': 2, 'end_character': 847, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'renin', 'provenance': [{'wikipedia_id': '17025', 'title': 'Kidney', 'start_paragraph_id': 2, 'start_character': 852, 'end_paragraph_id': 2, 'end_character': 857, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17025', 'title': 'Kidney', 'start_paragraph_id': 48, 'start_character': 0, 'end_paragraph_id': 48, 'end_character': 485, 'bleu_score': 0.736572661583153, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11949179954473083269}, 'section': 'Section::::Function.:Hormone secretion.\n'}]}]