Question: where does the vagus nerve enter the abdomen
[{'answer': 'internal jugular vein', 'provenance': [{'wikipedia_id': '37186', 'title': 'Vagus nerve', 'start_paragraph_id': 3, 'start_character': 226, 'end_paragraph_id': 3, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}, {'provenance': [{'wikipedia_id': '37186', 'title': 'Vagus nerve', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 591, 'bleu_score': 0.609093127420341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9358971114547725108}, 'section': 'Section::::Structure.\n'}]}]