question: Was a person whose female sibling executive produced M0 and M1 and directed M3 and M4 M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  FILTER ( M5 != ?x0 ) .
  M5 a ns:people.person .
  M5 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
  }