Complex sentence: James Joseph Gandolfini, Jr. (September 18,1961--June 19,2013) was an American actor best known for his role as American Mafia crime boss Tony Soprano in the award-winning HBO series "The Sopranos".
Split into simpler sentences: James Joseph Gandolfini, Jr. (September 18,1961--June 19,2013) was an American actor. He was best known for his role as American Mafia crime boss Tony Soprano in the award-winning HBO series "The Sopranos".