Did a film editor whose employer produced and distributed a film edit and write M1
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.editor.film M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film ?x2 .
?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
?x2 a ns:film.film
}