Did M2 , M5 , and M6 star M3 , star a Swedish cinematographer of M1 , and star M4
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M1 .
?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 .
M2 ns:film.film.starring/ns:film.performance.actor M4 .
M5 ns:film.film.starring/ns:film.performance.actor ?x0 .
M5 ns:film.film.starring/ns:film.performance.actor M3 .
M5 ns:film.film.starring/ns:film.performance.actor M4 .
M6 ns:film.film.starring/ns:film.performance.actor ?x0 .
M6 ns:film.film.starring/ns:film.performance.actor M3 .
M6 ns:film.film.starring/ns:film.performance.actor M4
}