Was M2 produced by M0 's British sibling
SELECT count(*) WHERE {
?x0 ns:people.person.nationality ns:m.07ssc .
?x0 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings M0 .
FILTER ( ?x0 != M0 ) .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}