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.

Context : The Fedorov Avtomat (also anglicized as Federov, Russian: Автомат Фёдорова) was an automatic rifle, designed by Vladimir Grigoryevich Fyodorov in 1915 and produced in the Russian Empire and later in the Russian Soviet Federative Socialist Republic. 
Subject : Fedorov Avtomat 
Relation : service entry
What year was Fedorov Avtomat introduced?

Context : ITV Digital Channels Ltd now solely under control of ITV plc is today a profitable business which runs all ITV plc's television channels with the exception of ITV, which is part of the ITV Network. 
Subject : ITV Digital Channels 
Relation : parent company
What is ITV Digital Channels's parent company?

Context : Yosef Serlin (Hebrew: יוסף סרלין‎, 24 February 1906 -- 15 January 1974) was a Zionist activist, lawyer and Israeli politician. 
Subject : Yosef Serlin 
Relation : date of death

When did Yosef Serlin die?