Detailed Instructions: 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.
Q: Context : The Eighth Doctor Adventures (sometimes abbreviated as EDA or referred to as the EDAs) are a series of spin off novels based on the long running BBC science fiction television series Doctor Who and published under the BBC Books imprint.
Subject : Eighth Doctor Adventures
Relation : based on
A:
The Eighth Doctor Adventures is based upon what?