Was a cinematographer that a art director married and M3 married M1
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
FILTER ( M1 != ?x0 ) .
FILTER ( M1 != M3 ) .
M1 a ns:film.cinematographer .
M1 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x0 .
M1 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M3
}