Was a screenwriter that founded M3 , M4 , and M5 and was employed by a film distributor M1
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
M1 a ns:film.writer .
M1 ns:organization.organization_founder.organizations_founded M3 .
M1 ns:organization.organization_founder.organizations_founded M4 .
M1 ns:organization.organization_founder.organizations_founded M5 .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
}