Was a production company that M2 acquired and a production company was acquired by M1
SELECT count(*) WHERE {
?x0 a ns:film.production_company .
M1 a ns:film.production_company .
M1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
M1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0
}