Question: how many d1 college basketball teams are there
[{'answer': '351 schools', 'provenance': [{'wikipedia_id': '39831490', 'title': "List of NCAA Division I men's basketball programs", 'start_paragraph_id': 2, 'start_character': 10, 'end_paragraph_id': 2, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39831490', 'title': "List of NCAA Division I men's basketball programs", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 276, 'bleu_score': 0.8559898693114281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12956954878547100527}, 'section': 'Section::::Abstract.'}]}]