Was a Canadian film editor whose male child produced M0 and M1 M3
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:people.person.gender ns:m.05zppz .
M3 a ns:film.editor .
M3 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x0 .
M3 ns:people.person.nationality ns:m.0d060g
}