Which person that M1 and M2 were edited by was a Spanish founder of M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
?x0 ns:people.person.nationality ns:m.06mkj
}