Was M2 produced , directed , and written by a film director that edited M1
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:film.editor.film M1 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M2 ns:film.film.written_by ?x0
}