Question: What Lyricist is known for collaborations on musicals such as "Rex" and "Fiddler on the Roof"? 
Sentence (from "Joseph Stein"): Joseph Stein (May 30, 1912 – October 24, 2010) was an American playwright best known for writing the books for such musicals as "Fiddler on the Roof" and "Zorba".
Relevant evidence: No