Question: Who was a composer of an opera that Anton van Rooy appeared in?
Sentence (from "Norman Afzal Simons"): Norman Avzal Simons (born 12 January 1967), also known as the "Station Strangler", is a South African rapist and serial killer who was convicted in 1995 on one count of murder and one count of kidnapping Elroy van Rooy, age 10.
Relevant evidence: No