Question: neutralizes stomach acid when it reaches the small intestine
[{'answer': 'bicarbonate', 'provenance': [{'wikipedia_id': '638449', 'title': 'Gastric acid', 'start_paragraph_id': 2, 'start_character': 178, 'end_paragraph_id': 2, 'end_character': 189, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '638449', 'title': 'Gastric acid', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 606, 'bleu_score': 0.60380701057912, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1952495226009487033}, 'section': 'Section::::Abstract.'}]}]