question: Which art director that directed M2 and wrote M3 's prequel was M1 's employee and founder
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film_art_director .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x1 ns:film.film.sequel M3
  }