question: Which film producer was founded by M1 's French writer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:organization.organization.founders ?x1 .
  ?x1 ns:film.writer.film M1 .
  ?x1 ns:people.person.nationality ns:m.0f8l9c
  }