Were M2 , M5 , M6 , and M7 directed by a Swedish film editor , written by M3 , and edited by M4
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.edited_by M4 .
M2 ns:film.film.written_by M3 .
M5 ns:film.film.directed_by ?x0 .
M5 ns:film.film.edited_by M4 .
M5 ns:film.film.written_by M3 .
M6 ns:film.film.directed_by ?x0 .
M6 ns:film.film.edited_by M4 .
M6 ns:film.film.written_by M3 .
M7 ns:film.film.directed_by ?x0 .
M7 ns:film.film.edited_by M4 .
M7 ns:film.film.written_by M3
}