Question: trigone is a portion of the blank bladder
[{'answer': 'urinary', 'provenance': [{'wikipedia_id': '1585561', 'title': 'Trigone of urinary bladder', 'start_paragraph_id': 0, 'start_character': 11, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1585561', 'title': 'Trigone of urinary bladder', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 168, 'bleu_score': 0.9243880458347601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12487723476661140696}, 'section': 'Section::::Abstract.'}]}]