Question: why did dr carter need a kidney transplant
[{'answer': 'amyloidosis', 'provenance': [{'wikipedia_id': '704365', 'title': 'John Carter (ER)', 'start_paragraph_id': 21, 'start_character': 431, 'end_paragraph_id': 21, 'end_character': 442, 'bleu_score': 1.0, 'section': 'Section::::Character history.:Season 15.\n'}]}, {'answer': 'from schistosomiasis', 'provenance': [{'wikipedia_id': '704365', 'title': 'John Carter (ER)', 'start_paragraph_id': 21, 'start_character': 454, 'end_paragraph_id': 21, 'end_character': 474, 'bleu_score': 1.0, 'section': 'Section::::Character history.:Season 15.\n'}]}, {'provenance': [{'wikipedia_id': '704365', 'title': 'John Carter (ER)', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 1033, 'bleu_score': 0.9807637870082021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1845271385385064934}, 'section': 'Section::::Character history.:Season 15.\n'}]}]