Question: medical term meaning condition of stones in the ureters
[{'answer': 'urolithiasis', 'provenance': [{'wikipedia_id': '38074', 'title': 'Kidney stone disease', 'start_paragraph_id': 1, 'start_character': 36, 'end_paragraph_id': 1, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38074', 'title': 'Kidney stone disease', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 348, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11001114999979411344}, 'section': 'Section::::Signs and symptoms.\n'}]}]