question: Which director and writer of M1 's prequel did M0 employ
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x1 ns:film.film.sequel M1
  }