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