Question: how many schools are in greenville county school district
[{'answer': '106', 'provenance': [{'wikipedia_id': '7588879', 'title': 'Greenville County School District', 'start_paragraph_id': 2, 'start_character': 122, 'end_paragraph_id': 2, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]