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 : Margie Velma Barfield (née Margie Velma Bullard) (October 29, 1932 -- November 2, 1984) was an American serial killer, convicted of one murder, but she eventually confessed to six murders. 
Subject : Velma Barfield 
Relation : convicted of
[A]: Which crime led to the conviction of Velma Barfield?


[Q]: Context : ISO 3166-2:BI is the entry for Burundi in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Subject : ISO 3166-2:BI 
Relation : standards body
[A]: Who set the standards for ISO 3166-2:BI?


[Q]: Context : ``Sunday, Cruddy Sunday'' is the twelfth episode of The Simpsons' tenth season. 
Subject : Sunday, Cruddy Sunday 
Relation : series
[A]:
What series is the episode Sunday, Cruddy Sunday part of?