question: Which director of a film was a British child of M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
  ?x1 a ns:film.film
  }