Was M1 a Canadian British child of a screenwriter
SELECT count(*) WHERE {
?x0 a ns:film.writer .
M1 ns:people.person.nationality ns:m.07ssc .
M1 ns:people.person.nationality ns:m.0d060g .
M1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x0
}