Was M3 a German female person whose sibling directed M0 and directed M1 and M2
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
FILTER ( M3 != ?x0 ) .
M3 a ns:people.person .
M3 ns:people.person.gender ns:m.02zsn .
M3 ns:people.person.nationality ns:m.0345h .
M3 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 ?x0
}