question: Did a French star and writer of M2 and M3 edit M0 and edit M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:people.person.nationality ns:m.0f8l9c
  }