question: Which Mexican person wrote M1 , M2 , M3 , and M4 , produced M7 , and executive produced M5
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.producer.films_executive_produced M5 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M7 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:film.writer.film M4 .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }