Was M1 a Canadian film editor whose child played M0
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
M1 a ns:film.editor .
M1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x0 .
M1 ns:people.person.nationality ns:m.0d060g
}