question: Was a director and executive producer of a film influenced by M0 , M1 , and M2
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:influence.influence_node.influenced_by M0 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x1 a ns:film.film
  }