Was M3 produced by and directed by a film editor that M1 was executive produced by and M2 was executive produced by
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
M3 ns:film.film.directed_by ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}