Did a Italian cinematographer 's female sibling executive produce M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:people.person.gender ns:m.02zsn .
?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.cinematographer .
?x1 ns:people.person.nationality ns:m.03rjj .
FILTER ( ?x0 != ?x1 )
}