question: Were M3 and M4 directed by a costume designer influenced by M1 and influenced by M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  M3 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.directed_by ?x0
  }