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 : In 1961, the first M79 grenade launchers were delivered to the US Army. 
Subject : M79 grenade launcher 
Relation : service entry

SOLUTION: Which was the official year for the approval of M79 grenade launcher?

PROBLEM: Context : Caterina Sforza (1463 -- 28 May 1509), was an Italian noblewoman and Countess of Forlì and Lady of Imola firstly with her husband Girolamo Riario, and after his death as a regent of her son Ottaviano. 
Subject : Caterina Sforza 
Relation : spouse

SOLUTION: What is Caterina Sforza's spouse's name?

PROBLEM: Context : By this time, Mary Clifford had succumbed to her infected wounds, and Elizabeth Brownrigg was charged with her murder. 
Subject : Elizabeth Brownrigg 
Relation : convicted of

SOLUTION:
Which crime led to the conviction of Elizabeth Brownrigg?