Question: "911 / Mr. Lonely" is a song by American rapper Tyler, The Creator, it was released on June 30, 2017, as the lead singles from his fourth studio album "Flower Boy", by which American rapper?
Sentence (from "911 / Mr. Lonely"): The song was produced by Tyler himself and features vocals from Frank Ocean, The Internet's Steve Lacy and Norwegian singer Anna of the North.
Relevant evidence: Yes