Did a film director that M3 was founded by and employed edit M1 and write M2
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:film.editor.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}