question: Was a film 's writer , cinematographer , editor , and art director M0 's child
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film ?x1 .
  ?x0 ns:film.editor.film ?x1 .
  ?x0 ns:film.film_art_director.films_art_directed ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M0 .
  ?x1 a ns:film.film
  }