Which Japanese spouse of M1 executive produced a prequel of M2
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:people.person.nationality ns:m.03_3d .
?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M1 .
?x1 ns:film.film.sequel M2 .
FILTER ( ?x0 != M1 )
}