Was M1 edited by a company 's employee , written by M2 , and directed by M3
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 a ns:business.employer .
M1 ns:film.film.directed_by M3 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.written_by M2
}