Was M2 employed by a film distributor whose founder edited and produced M1 and employed by M3
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:film.editor.film M1 .
?x1 ns:film.producer.film|ns:film.production_company.films M1 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}