question: Did M1 , M2 , M3 , and M4 influence a art director 's child
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?x1 a ns:film.film_art_director .
  M1 ns:influence.influence_node.influenced ?x0 .
  M2 ns:influence.influence_node.influenced ?x0 .
  M3 ns:influence.influence_node.influenced ?x0 .
  M4 ns:influence.influence_node.influenced ?x0
  }