question: Was M1 directed by M4 , executive produced by a editor of M0 , and executive produced by M2 and M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.editor.film M0 .
  M1 ns:film.film.directed_by M4 .
  M1 ns:film.film.executive_produced_by ?x0 .
  M1 ns:film.film.executive_produced_by M2 .
  M1 ns:film.film.executive_produced_by M3
  }