Question: how many kentucky players have won an nba championship
[{'answer': '13', 'provenance': [{'wikipedia_id': '13188471', 'title': "Kentucky Wildcats men's basketball", 'start_paragraph_id': 2, 'start_character': 92, 'end_paragraph_id': 2, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]