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