Was M2 a film directed by a German film editor and edited by M4
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:people.person.nationality ns:m.0345h .
M2 a ns:film.film .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.edited_by M4
}