Question: where is escherichia coli found in the human body
[{'answer': 'the lower intestine', 'provenance': [{'wikipedia_id': '40114', 'title': 'Escherichia coli', 'start_paragraph_id': 1, 'start_character': 174, 'end_paragraph_id': 1, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40114', 'title': 'Escherichia coli', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 836, 'bleu_score': 0.9394290340867161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6296876265312354444}, 'section': 'Section::::Abstract.'}]}]