question: Were M2 and M4 influenced by M3 , influenced by a person , and influenced by a costume designer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?x1 a ns:people.person .
  M2 ns:influence.influence_node.influenced_by ?x0 .
  M2 ns:influence.influence_node.influenced_by ?x1 .
  M2 ns:influence.influence_node.influenced_by M3 .
  M4 ns:influence.influence_node.influenced_by ?x0 .
  M4 ns:influence.influence_node.influenced_by ?x1 .
  M4 ns:influence.influence_node.influenced_by M3
  }