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 GER Class Y65 was a class of twelve 2-4-2T steam locomotives designed by S. D. Holden and built by the company's Stratford Works in 1909--1910. 
Subject : GER Class Y65 
Relation : service entry
What year was GER Class Y65 introduced?

Context : The Van Gogh Museum's Wheatfield with Crows was painted in July 1890, in the last weeks of van Gogh's life. 
Subject : Wheatfield with Crows 
Relation : collection
What is the name of the place where Wheatfield with Crows can be found?

Context : Frank Schöbel (b. 11 December 1942, Leipzig, Saxony, Germany) is a German musician. 
Subject : Frank Schöbel 
Relation : spouse

What is Frank Schöbel's spouse's name?