Were M2 and M4 executive produced by a film editor 's sibling , produced by M1 's founder , and directed by M3
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 a ns:film.editor .
?x2 ns:organization.organization_founder.organizations_founded M1 .
FILTER ( ?x0 != ?x1 ) .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x2 .
M4 ns:film.film.directed_by M3 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x2
}