"Don Quixote" - yes 
"El Ingenioso Hidalgo Don Quixote de la Mancha" - yes
"El Ingenioso Hidalgo Don Quijote de la Mancha" - yes 
"El Quijote" - yes 
"Don Quijote" - yes
"The Man Who Killed Don Quixote" - no
"Don Quixote, Knight Errant" - no