Question: What year was the player the Cavaliers traded Kyrie Irving for drafted?
Sentence (from "2017–18 Cleveland Cavaliers season"): On August 22, 2017, the Cavaliers traded away Kyrie Irving to the rival Boston Celtics in exchange for Isaiah Thomas, Jae Crowder, Ante Žižić, and the rights to the Brooklyn Nets' first round pick in the 2018 NBA draft; the trade would later be expanded with the Cavaliers acquiring a 2020 second round pick from the Miami Heat eight days afterward due to concerns over the health of Thomas's hip.
Relevant evidence: Yes