Question: What is the nationality of the singer who beat out Pour Some Sugar on Me by Def Leppard for the top spot on the US Billboard Hot 100 chart?
Sentence (from "Richard Marx"): Although some of his major hit songs were ballads, many of his songs have had a classic rock style, such as "Don't Mean Nothing," "Should've Known Better," "Satisfied," and "Too Late to Say Goodbye."
Relevant evidence: No