question: Was M1 's child a film 's Dutch executive producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:people.person.nationality ns:m.059j2 .
  ?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
  }