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.

Context : Gainsborough had already drawn something on the canvas before beginning The Blue Boy, which he painted over. 
Subject : The Blue Boy 
Relation : collection
What is the name of the place where The Blue Boy can be found?

Context : Most TokuMX source files are made available under the terms of the GNU Affero General Public License (AGPL). 
Subject : TokuMX 
Relation : based on
The TokuMX is based upon what?

Context : In Greek mythology, Hegetoria was a local nymph at Rhodes who married Ochimus. 
Subject : Hegetoria 
Relation : spouse

What is Hegetoria's spouse's name?