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 : Voice from the Grave, also known as From the Files of Unsolved Mysteries: 
Subject : Voice from the Grave 
Relation : based on
[A]: Which is the basis of Voice from the Grave?


[Q]: Context : Riley Franklin McConnell was born 22 July 1884 at Gate City, Virginia. 
Subject : Riley Franklin McConnell 
Relation : military branch
[A]: In what military branch did Riley Franklin McConnell serve?


[Q]: Context : Welsh Newspapers Online has digitised 219 issues of the Llais Y Wlad (1874-1884) from the newspaper holdings of the National Library of Wales. 
Subject : Llais Y Wlad 
Relation : collection
[A]:
What is the name of the place where Llais Y Wlad can be found?