question: Was M2 executive produced by M3 , M4 , M5 , M6 , and M7 and directed by a male person 's sibling
query: SELECT count(*) WHERE {
  ?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:people.person .
  ?x1 ns:people.person.gender ns:m.05zppz .
  FILTER ( ?x0 != ?x1 ) .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.executive_produced_by M3 .
  M2 ns:film.film.executive_produced_by M4 .
  M2 ns:film.film.executive_produced_by M5 .
  M2 ns:film.film.executive_produced_by M6 .
  M2 ns:film.film.executive_produced_by M7
  }