Which screenwriter did M1 's producer 's country of nationality employ
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ^ns:people.person.nationality ?x2 .
?x2 ns:film.producer.film|ns:film.production_company.films M1
}