Were M1 , M2 , M3 , and M4 produced by a sibling of a company 's founder and employee
SELECT count(*) WHERE {
?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 ?x1 .
?x1 ns:organization.organization_founder.organizations_founded ?x2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x2 a ns:business.employer .
FILTER ( ?x0 != ?x1 ) .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}