Question: where is clostridium tetani found in the body
[{'answer': 'gastrointestinal tract', 'provenance': [{'wikipedia_id': '13233321', 'title': 'Clostridium tetani', 'start_paragraph_id': 1, 'start_character': 371, 'end_paragraph_id': 1, 'end_character': 393, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]