Did M2 influence a person , influence a art director 's child , and influence M3
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
?x2 a ns:film.film_art_director .
M2 ns:influence.influence_node.influenced ?x0 .
M2 ns:influence.influence_node.influenced ?x1 .
M2 ns:influence.influence_node.influenced M3
}