Question: how many schools are in knox county tn
[{'answer': '88', 'provenance': [{'wikipedia_id': '13352166', 'title': 'Knox County Schools', 'start_paragraph_id': 3, 'start_character': 18, 'end_paragraph_id': 3, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '13352166', 'title': 'Knox County Schools', 'start_paragraph_id': 55, 'start_character': 0, 'end_paragraph_id': 55, 'end_character': 38, 'bleu_score': 0.7598356856515921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12809657078017106882}, 'section': 'Section::::Schools.\n'}]}]