question: Who distributed a film whose star edited M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film ?x1 .
  ?x1 a ns:film.film .
  ?x1 ns:film.film.starring/ns:film.performance.actor ?x2 .
  ?x2 ns:film.editor.film M2
  }