Did a person whose employer acquired M3 and M4 direct M1 and M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3 .
?x1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M4
}