Was M1 a film producer whose employer acquired a production company
SELECT count(*) WHERE {
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x1 .
?x1 a ns:film.production_company .
M1 a ns:film.producer .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
}