You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.

Context : Cartagena (birth name:Modesto Cartagena de Jesús ) was born in a poor family, and raised in the mountains of Cayey, Puerto Rico during the Great Depression. 
Subject : Modesto Cartagena 
Relation : conflict
Which war did Modesto Cartagena participate in?

Context : Vampire in Venice (Nosferatu a Venezia), also known as Nosferatu in Venice, is an Italian horror film released in 1988 and directed by Augusto Caminito, starring Klaus Kinski, Christopher Plummer and Donald Pleasence. 
Subject : Vampire in Venice 
Relation : based on
Which is the basis of Vampire in Venice?

Context : Erema; or, my father's sin is a three-volume novel by R. D. Blackmore published in 1877. 
Subject : Erema 
Relation : narrative location

Which place does Erema exist in?