Generate a correct and concise answer for the question based on the words in the context.

Context : Wanda Jean Allen (August 17, 1959 -- January 11, 2001) was sentenced to death in 1989 for the murder of Gloria Jean Leathers, 29. 
Question : Which crime led to the conviction of Wanda Jean Allen?
murder

Context : The film was adapted by Wilder and Edwin Blum from the Broadway play by Donald Bevan and Edmund Trzcinski which was based on their experiences as prisoners in Stalag 17B in Austria. 
Question : The Stalag 17 is based upon what?
Donald Bevan

Context : Gabriel Valdés Subercaseaux (July 3, 1919 -- September 7, 2011) was a Chilean politician, lawyer and diplomat. 
Question : What was Gabriel Valdés's occupation?

politician