Question: What book written by Maria von Trapp inspired a famous musical that was performed live on ITV in 2015?
Sentence (from "The Trapp Family"): The Trapp Family (German: "Die Trapp-Familie" ) is a 1956 West German comedy drama film directed by Wolfgang Liebeneiner and starring Ruth Leuwerik, Hans Holt, and Maria Holst.
Relevant evidence: No