Were M3 , M5 , and M6 produced by M4 and executive produced by a Japanese screenwriter that married M2
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?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 M2 .
FILTER ( ?x0 != M2 ) .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies M4 .
M5 ns:film.film.executive_produced_by ?x0 .
M5 ns:film.film.produced_by|ns:film.film.production_companies M4 .
M6 ns:film.film.executive_produced_by ?x0 .
M6 ns:film.film.produced_by|ns:film.film.production_companies M4
}