question: Were M1 and M2 produced by a star and costume designer of a film
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
  ?x0 ns:film.film_costumer_designer.costume_design_for_film ?x1 .
  ?x1 a ns:film.film .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }