Since the person who posed the question categorized the question under "Movies," it is reasonable to assume that he/she is speaking of the movie "John Q." Q stands for Quincy as in John Quincy...
"Denzel Washington" - wietsnowy
He was able to save the life of his son by giving up his freedom.
John Quincy Archibald
John Quincy Archibald, played by Denzel Washington