Was M1 a Swedish employee of M0 's sequel 's producer
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 ns:film.film.prequel M0 .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M1 ns:people.person.nationality ns:m.0d0vqn
}