question: Was a costume designer that M2 influenced and a person influenced a actor
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 a ns:film.film_costumer_designer .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x1 a ns:people.person
  }