Did a screenwriter 's British sibling found M2 's producer
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?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 ?x2 .
?x1 ns:film.producer.film|ns:film.production_company.films M2 .
?x2 a ns:film.writer .
FILTER ( ?x0 != ?x2 )
}