Question: who did the golden state warriors play in the playoffs last year
[{'answer': 'Cleveland Cavaliers', 'provenance': [{'wikipedia_id': '50010152', 'title': '2017 NBA playoffs', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 124, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]