Did M1 's art director 's employer acquire M0
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M0 .
?x1 ns:film.film_art_director.films_art_directed M1
}