Question: Which singer, Phil Lewis or Siouxsie Sioux, released the top single, "Peek-a-Boo"?
Sentence (from "Siouxsie Sioux"): Susan Janet Ballion, better known by her stage name Siouxsie Sioux (/ˈsuːziː suː/ , born 27 May 1957), is an English singer, songwriter, musician and producer.
Relevant evidence: Yes