Was a Mexican parent of M1 influenced by a character
SELECT count(*) WHERE {
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M1 .
?x0 ns:people.person.nationality ns:m.0b90_r .
?x1 a ns:fictional_universe.fictional_character
}