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 : Surf Ninjas follows two teenage surfers from Los Angeles who discover that they are crown princes of the Asian kingdom Patusan and reluctantly follow their destinies to dethrone an evil colonel that rules over the kingdom. 
Subject : Surf Ninjas 
Relation : director
Who was responsible for the direction of Surf Ninjas?

Context : Margie Velma Barfield (née Margie Velma Bullard) (October 29, 1932 -- November 2, 1984) was an American serial killer, convicted of one murder, but she eventually confessed to six murders. 
Subject : Velma Barfield 
Relation : convicted of
Which crime led to the conviction of Velma Barfield?

Context : George W. Chang is a professor and a resident faculty member at the University of California, Berkeley. 
Subject : George W. Chang 
Relation : educated at

The college George W. Chang attended was what?