Did John Greyson or Alejandro Amenábar write or co-write the screenplays to all six of his movies?
John Greyson: John Greyson (born March 13, 1960) is a Canadian director, writer, video artist, producer and political activist, whose work frequently deals with gay themes. Alejandro Amenábar: Alejandro Fernando Amenábar Cantos (born March 31, 1972), commonly known as Alejandro Amenábar, is a Spanish and Chilean film director, screenwriter and composer. Alejandro Amenábar:  He has written or co-written the screenplays to all six of his movies and composed almost all of the soundtracks.
Alejandro Amenábar