question: Did M2 's country of nationality 's employee executive produce M1 and write M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 ^ns:people.person.nationality M2
  }