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 : Karnit Flug was born in 1955 in Poland. 
Subject : Karnit Flug 
Relation : occupation
What kind of  occupation does Karnit Flug have?

Context : China Airlines Flight 642 was a flight that crashed at Hong Kong International Airport on 22 August 1999. 
Subject : China Airlines Flight 642 
Relation : point in time
The date of China Airlines Flight 642 was what?

Context : In addition to the Soviet Union and Russia, the DShK has been manufactured under license by a number of countries, including the People's Republic of China, Pakistan and Romania. 
Subject : DShK 
Relation : service entry

What year is DShK associated with?