Question: where does the esophagus pass through the diaphragm
[{'answer': 'the esophageal hiatus', 'provenance': [{'wikipedia_id': '5967256', 'title': 'Esophageal hiatus', 'start_paragraph_id': 1, 'start_character': 18, 'end_paragraph_id': 1, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5967256', 'title': 'Esophageal hiatus', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 294, 'bleu_score': 0.96188712955549, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17156848697628550617}, 'section': 'Section::::Abstract.'}]}]