Question: Who was the scout who found Lorde and paired her with the co-lyricist of "Yellow Flicker Beat"? 
Sentence (from "David Hahn"): David Charles Hahn (October 30, 1976 – September 27, 2016), sometimes called the Radioactive Boy Scout or the Nuclear Boy Scout, was an American man who in 1994, at age 17, attempted to build a homemade breeder reactor.
Relevant evidence: No