Question: What song on Taylor Swift's sixth album had a music video premiered during the 2017 MTV Video Music Awards?
Sentence (from "2017 MTV Video Music Awards"): The 2017 MTV Video Music Awards were held on August 27, 2017 at The Forum in Inglewood, California, honoring music videos released between June 25, 2016 and June 23, 2017.
Relevant evidence: No