question: What was edited by M0 and M1 , edited by M2 , and produced by a producer of a film
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.edited_by M0 .
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
  ?x2 a ns:film.film
  }