question: Did a Mexican writer of M1 , M2 , and M3 edit M0 and direct M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }