Question: who won the 2016 nba slam dunk contest
[{'answer': 'Zach LaVine', 'provenance': [{'wikipedia_id': '1826771', 'title': 'Slam Dunk Contest', 'start_paragraph_id': 26, 'start_character': 254, 'end_paragraph_id': 26, 'end_character': 265, 'bleu_score': 1.0, 'section': 'Section::::History.:2010s.\n'}]}]