Question: What is the name of the character played by Tom Cruise in the movie Born on the Fourth of July?
SQL: SELECT T2.`Character Name` FROM movie AS T1 INNER JOIN characters AS T2 ON T1.MovieID = T2.MovieID INNER JOIN actor AS T3 ON T3.ActorID = T2.ActorID WHERE T3.Name = 'Tom Cruise' AND T1.Title = 'Born on the Fourth of July'