Were M2 and M3 influenced by a child of a cinematographer and influenced by a child of M1
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.cinematographer .
?x2 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by ?x2 .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by ?x2
}