question: What production company acquired a company and acquired M1 's producer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.production_company .
  ?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x1 .
  ?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x2 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M1 .
  ?x2 a ns:business.employer
  }