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 : Stamicarbon is the licensing and IP center of Maire Tecnimont SpA and market leader in licensing technology for manufacturing urea as well as provide follow-up services designed to ensure the best possible operation of the urea plant throughout its working life. 
Subject : Stamicarbon 
Relation : parent company
Which company is the parent company of Stamicarbon?

Context : Set in 1979 Syosset, Long Island, New York, Lymelife follows two families, the Bartletts and the Braggs, who crumble when tangled relationships, real estate problems, and Lyme disease converge in the heart of suburbia. 
Subject : Lymelife 
Relation : director
Who was the director of Lymelife?

Context : Besides being a statesman, Johan de Witt also was an accomplished mathematician. 
Subject : Johan de Witt 
Relation : date of death

The year Johan de Witt died was what?