Question: who did the cavs trade for kyle korver
[{'answer': 'Mike Dunleavy', 'provenance': [{'wikipedia_id': '1307551', 'title': 'Kyle Korver', 'start_paragraph_id': 37, 'start_character': 81, 'end_paragraph_id': 37, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Professional career.:Cleveland Cavaliers (2017–2018).\n'}]}, {'answer': 'Mo Williams', 'provenance': [{'wikipedia_id': '1307551', 'title': 'Kyle Korver', 'start_paragraph_id': 37, 'start_character': 96, 'end_paragraph_id': 37, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Professional career.:Cleveland Cavaliers (2017–2018).\n'}]}, {'provenance': [{'wikipedia_id': '1307551', 'title': 'Kyle Korver', 'start_paragraph_id': 37, 'start_character': 0, 'end_paragraph_id': 37, 'end_character': 1549, 'bleu_score': 0.8573302209579621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4141398077028930815}, 'section': 'Section::::Professional career.:Cleveland Cavaliers (2017–2018).\n'}]}]