question: Were both S. Sylvan Simon and Jörg Buttgereit directors?
answer: yes
context: Title: Nekronology
  Passage: Nekronology is an album by the German avant-garde/experimental musician Hermann Kopp.  It was released in October 2004 as a CD and in July 2009 as a vinyl LP, with a different artwork.  The album is a compilation of Kopp’s soundtracks to the German films Nekromantik, Der Todesking and Nekromantik 2 by the film director Jörg Buttgereit, completed by two bonus tracks.
  Title: Schramm (film)
  Passage: Schramm is a 1993 German horror film directed by controversial taboo-breaking auteur Jörg Buttgereit.  It is stylised and artfully shot on 16mm film.  It tells the story of a man who has been known in the media as the 'Lipstick Killer'.  Loosely based on true crime criminology profiles of Carl Panzram and similar serial killers.
  Title: S. Sylvan Simon
  Passage: S. Sylvan Simon (March 9, 1910 – May 17, 1951) was an American stage/film director and producer.
  Title: Jörg Buttgereit
  Passage: Jörg Buttgereit (born 20 December 1963) is a German writer/director known for his controversial films.  He was born in Berlin, Germany and has lived there his entire life.
citations: S. Sylvan Simon Jörg Buttgereit