Was M3 written and edited by a French film editor whose French child edited M2
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x0 ns:people.person.nationality ns:m.0f8l9c .
?x1 ns:film.editor.film M2 .
?x1 ns:people.person.nationality ns:m.0f8l9c .
M3 ns:film.film.edited_by ?x0 .
M3 ns:film.film.written_by ?x0
}