Question: Siobhan Dillon starred in what musical based on Billy Wilder's Academy Award-winning 1950 film of the same title?
Sentence (from "Sunset Boulevard (musical)"): Based on Billy Wilder's Academy Award-winning 1950 film of the same title, the plot revolves around Norma Desmond, a faded star of the silent screen era, living in the past in her decaying mansion on the fabled Los Angeles street.
Relevant evidence: No