question: Were M1 , M4 , M5 , and M6 influenced by M2 and M3 and influenced by a film 's art director
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_art_director.films_art_directed ?x1 .
  ?x1 a ns:film.film .
  M1 ns:influence.influence_node.influenced_by ?x0 .
  M1 ns:influence.influence_node.influenced_by M2 .
  M1 ns:influence.influence_node.influenced_by M3 .
  M4 ns:influence.influence_node.influenced_by ?x0 .
  M4 ns:influence.influence_node.influenced_by M2 .
  M4 ns:influence.influence_node.influenced_by M3 .
  M5 ns:influence.influence_node.influenced_by ?x0 .
  M5 ns:influence.influence_node.influenced_by M2 .
  M5 ns:influence.influence_node.influenced_by M3 .
  M6 ns:influence.influence_node.influenced_by ?x0 .
  M6 ns:influence.influence_node.influenced_by M2 .
  M6 ns:influence.influence_node.influenced_by M3
  }