question: Was a cinematographer that M2 and M3 were edited by and directed by a film producer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 a ns:film.producer .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.editor.film M3
  }