question: Which writer and producer of M1 's prequel was M0 's employee and founder
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:organization.organization_founder.organizations_founded M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x1 ns:film.film.sequel M1
  }