Did a German film producer edit and direct M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:people.person.nationality ns:m.0345h
}