Was M2 a actor whose employer employed M1 and was founded by M0
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x0 ns:organization.organization.founders M0 .
M2 a ns:film.actor .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
}