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 : Tjaarke Maas started to paint since her early childhood, in Tasmania, Australia, where her family had immigrated from the Netherlands. 
Subject : Tjaarke Maas 
Relation : occupation
What was Tjaarke Maas's occupation?

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 : George Watters (26 September 1904 -- 1980) was a miner and labourer from Prestonpans, East Lothian, who fought in the Spanish Civil War. 
Subject : George Watters 
Relation : conflict

In what war was George Watters a combatant?