Question: Caitlin Clarke was an American theater and film actress, best known for her role as Valerian in which 1981 American fantasy film, directed by Matthew Robbins? 
Sentence (from "Caitlin Clarke"): Caitlin Clarke (May 3, 1952 – September 9, 2004) was an American theater and film actress best known for her role as Valerian in the 1981 fantasy film "Dragonslayer" and for her role as Charlotte Cardoza in the 1998–1999 Broadway musical "Titanic".
Relevant evidence: Yes