Did a child of M0 employ a Canadian film editor
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?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.editor .
?x1 ns:people.person.nationality ns:m.0d060g
}