Question: who has the most nba rings coach or player
[{'answer': 'Phil Jackson', 'provenance': [{'wikipedia_id': '5451727', 'title': 'List of NBA championship head coaches', 'start_paragraph_id': 2, 'start_character': 37, 'end_paragraph_id': 2, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]