Question: What is the name of the international company set up in 1977 by English composer and impresario of musical theatre whose well-known works include "The Phantom of the Opera" and "Jesus Christ Superstar"? 
Sentence (from "Really Useful Group"): The Really Useful Group Ltd. (RUG) is an international company set up in 1977 by Andrew Lloyd Webber.
Relevant evidence: Yes