question: Was a costume designer a film editor that M2 starred and was edited by
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 a ns:film.film_costumer_designer .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.editor.film M2
  }