Question: when did the cavs win the nba championship
[{'answer': '2016', 'provenance': [{'wikipedia_id': '48189134', 'title': '2016 NBA Finals', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48189134', 'title': '2016 NBA Finals', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 608, 'bleu_score': 0.8955219004951991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 131125985156272498}, 'section': 'Section::::Abstract.'}]}]