Was M4 a film whose Swedish editor directed M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M4 a ns:film.film .
M4 ns:film.film.edited_by ?x0
}