instruction:
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.
question:
Context : We Didn't Mean to Go to Sea is the seventh book in Arthur Ransome's Swallows and Amazons series of children's books. 
Subject : We Didn't Mean to Go to Sea 
Relation : series
answer:
What is the series called that We Didn't Mean to Go to Sea belongs to?


question:
Context : DMPI launched its wireless service, known as Sun Cellular, in March 2003. 
Subject : Sun Cellular 
Relation : parent company
answer:
Which company is the parent company of Sun Cellular?


question:
Context : Hiram Burnham was born in Narraguagus, later Cherryfield, Maine, in 1814. 
Subject : Hiram Burnham 
Relation : military branch
answer:

What armed force was Hiram Burnham in?