Did M2 star M3 , star a founder of M1 , and star a company 's founder and employee
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 a ns:business.employer .
?x2 ns:organization.organization_founder.organizations_founded M1 .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor ?x2 .
M2 ns:film.film.starring/ns:film.performance.actor M3
}