question: Did a film editor that M1 was edited by , was executive produced by , and was directed by edit M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.producer.films_executive_produced M1
  }