Did a actor that founded M2 and M3 and was employed by M1 direct M4
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:film.director.film M4 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1
}