Question: where does the common bile duct empties its contents
[{'answer': 'the duodenum', 'provenance': [{'wikipedia_id': '760918', 'title': 'Common bile duct', 'start_paragraph_id': 2, 'start_character': 175, 'end_paragraph_id': 2, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '760918', 'title': 'Common bile duct', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 458, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7785845390277620209}, 'section': 'Section::::Abstract.'}]}]