Question: where does the small intestine join the colon
[{'answer': 'ileocecal valve', 'provenance': [{'wikipedia_id': '99597', 'title': 'Cecum', 'start_paragraph_id': 2, 'start_character': 132, 'end_paragraph_id': 2, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '99597', 'title': 'Cecum', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 437, 'bleu_score': 0.9731482306711111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11922025124407524369}, 'section': 'Section::::History.:Etymology.\n'}]}]