TASK DEFINITION: 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.
PROBLEM: Context : Sonia Destri Lie, often known simply as Sonia Destri, is a Brazilian dancer and choreographer. 
Subject : Sonia Destri Lie 
Relation : occupation

SOLUTION: What was Sonia Destri Lie's occupation?

PROBLEM: Context : Military Cross Temporary Second Lieutenant Josiah Lewis Morgan, RAF. 
Subject : Josiah Lewis Morgan 
Relation : military branch

SOLUTION: What military branch was Josiah Lewis Morgan in?

PROBLEM: Context : The M79 grenade launcher is a single-shot, shoulder-fired, break-action grenade launcher that fires a 40×46mm grenade, which uses what the US Army calls the High-Low Propulsion System to keep recoil forces low, and first appeared during the Vietnam War. 
Subject : M79 grenade launcher 
Relation : service entry

SOLUTION:
What year was M79 grenade launcher made?