Question: how many nba championships did the lakers win
[{'answer': '16', 'provenance': [{'wikipedia_id': '72893', 'title': 'Los Angeles Lakers', 'start_paragraph_id': 1, 'start_character': 548, 'end_paragraph_id': 1, 'end_character': 550, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '72893', 'title': 'Los Angeles Lakers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 611, 'bleu_score': 0.9563334828258161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1448425219770299577}, 'section': 'Section::::Abstract.'}]}]