Possible interpretations of the title:

Good? Will Hunting - Who is someone that is good? Why, that would be Will Hunting of course.

Good, Will Hunting - Good job, Will Hunting. You are a good boy.

Good? Will Hunting? - Are you fucking kidding me? You think Will Hunting, that hooligan, is GOOD?

Good: Will Hunting - A series of movies titled "Good," about people who are good, and this installment is about Will Hunting.

Good Will Hunting - Someone…