Question: where is lactase found in the digestive system
[{'answer': 'small intestine', 'provenance': [{'wikipedia_id': '18645', 'title': 'Lactase', 'start_paragraph_id': 1, 'start_character': 90, 'end_paragraph_id': 1, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18645', 'title': 'Lactase', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 686, 'bleu_score': 0.698281035898619, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3259448059103137266}, 'section': 'Section::::Uses.:Food use.\n'}]}]