question: Was a costume designer that M2 's producer influenced a person
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?x0 a ns:people.person .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M2
  }