question: Was M2 written by M3 , produced by a employee of M0 , and edited by M1 's director
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x1 ns:film.director.film M1 .
  M2 ns:film.film.edited_by ?x1 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M2 ns:film.film.written_by M3
  }