question: Which French person directed and wrote a film directed by and edited by M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:people.person.nationality ns:m.0f8l9c .
  ?x1 a ns:film.film .
  ?x1 ns:film.film.directed_by M3 .
  ?x1 ns:film.film.edited_by M3
  }