question: Did a cinematographer edit a film , executive produce M3 , and edit M1 and M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:film.editor.film ?x1 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x1 a ns:film.film
  }