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 : ``Grumpy Old Man'' is the ninth episode of the tenth season of the American animated sitcom Family Guy. 
Subject : Grumpy Old Man 
Relation : series

Output: What is the series called that Grumpy Old Man belongs to?


Input: Consider Input: Context : Delta Air Lines Flight 9570 crashed on 30 May 1972 at the Greater Southwest International Airport in Fort Worth, Texas, while conducting a training flight. 
Subject : Delta Air Lines Flight 9570 
Relation : point in time

Output: The date of Delta Air Lines Flight 9570?


Input: Consider Input: Context : John Percival known as Mad Jack Percival (3 April 1779 -- 7 September 1862) was a celebrated officer in the United States Navy during the Quasi-War with France, the War of 1812, the campaign against West Indies pirates, and the Mexican-American War. 
Subject : John Percival 
Relation : military branch


Output: With which military branch did John Percival serve with?