Was M0 a actor that M3 was founded by , M2 employed , and M4 was founded by
SELECT count(*) WHERE {
M0 a ns:film.actor .
M0 ns:organization.organization_founder.organizations_founded M3 .
M0 ns:organization.organization_founder.organizations_founded M4 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2
}