Question: where is the fundus of the gallbladder located
[{'answer': 'it faces the abdominal wall', 'provenance': [{'wikipedia_id': '197020', 'title': 'Gallbladder', 'start_paragraph_id': 5, 'start_character': 213, 'end_paragraph_id': 5, 'end_character': 240, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}, {'provenance': [{'wikipedia_id': '197020', 'title': 'Gallbladder', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 785, 'bleu_score': 0.985662154730604, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10563561638107143601}, 'section': 'Section::::Structure.\n'}]}]