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.

Input: Consider Input: 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

Output: What year was GER Class Y65 introduced?


Input: Consider Input: Context : Fu Pi refused and tried to intercept them, but suffered a major defeat, in which Wang Yong and the major general Juqu Jushizi (沮渠俱石子) were killed, and most of Fu Pi's officials and his wife Empress Yang were captured. 
Subject : Fu Pi 
Relation : spouse

Output: What is Fu Pi's spouse's name?


Input: Consider Input: Context : The Stoner 63 saw very limited combat use by United States forces during the Vietnam War, including the Navy SEALs and Marine Corps. 
Subject : Stoner 63 
Relation : service entry


Output: What year is Stoner 63 associated with?