Was M2 employed by M3 and employed by a film distributor that was acquired by M1
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}