Detailed Instructions: 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.
Q: Context : Hans-Karl Stepp was born on 2 September 1914 in Gießen as son to a University professor. 
Subject : Hans-Karl Stepp 
Relation : conflict
A:
What war was Hans-Karl Stepp in?