question: Did M3 direct and write a film directed by and written by M2 's British parent
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M2 .
  ?x1 ns:people.person.nationality ns:m.07ssc .
  M3 ns:film.director.film ?x0 .
  M3 ns:film.writer.film ?x0
  }