Question: who is the general manager of the los angeles lakers
[{'answer': 'Mitchell Kupchak', 'provenance': [{'wikipedia_id': '1738700', 'title': 'Mitch Kupchak', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]