question: Was a writer and art director of M0 influenced by a screenwriter and influenced by M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_art_director.films_art_directed M0 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x1 a ns:film.writer
  }