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 Panzerfaust 3 (Tank fist 3 or ``The German RPG'') is a modern disposable recoilless anti-tank weapon, which was developed between 1978 and 1985 and put into service by the Bundeswehr in 1992. 
Subject : Panzerfaust 3 
Relation : service entry

Output: What year did Panzerfaust 3 come into use?


Input: Consider Input: Context : Lead Balloon is a British television series produced by Open Mike Productions for BBC Four. 
Subject : Lead Balloon 
Relation : original network

Output: Which channel broadcast Lead Balloon?


Input: Consider Input: Context : Kim Richards and Ike Eisenmann, who portrayed Tia and Tony in the original Witch Mountain films of the 1970s, made cameo appearances in Race to Witch Mountain. 
Subject : Race to Witch Mountain 
Relation : based on


Output: Which is the basis of Race to Witch Mountain?