Did M4 employ a American Italian film editor that M3 was produced by and was directed by
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.director.film M3 .
?x0 ns:film.producer.film|ns:film.production_company.films M3 .
?x0 ns:people.person.nationality ns:m.03rjj .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}