Did a character found M2 's sibling 's British parent 's employer
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x3 .
?x2 ns:people.person.nationality ns:m.07ssc .
?x3 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 M2 .
FILTER ( ?x3 != M2 )
}