Did a German film editor edit , executive produce , and write M1
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.editor.film M1 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.nationality ns:m.0345h
}