Were M3 and M4 written by , produced by , and edited by a film director that edited M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
M3 ns:film.film.edited_by ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M3 ns:film.film.written_by ?x0 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M4 ns:film.film.written_by ?x0
}