Did M2 and M4 star a Swedish writer of M0 and star M3
SELECT count(*) WHERE {
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor M3 .
M4 ns:film.film.starring/ns:film.performance.actor ?x0 .
M4 ns:film.film.starring/ns:film.performance.actor M3
}