query: SELECT ?entity ?entityLabel ?entityDescription 
  WHERE
  {
    ?entity wdt:P17 wd:Q408; wdt:P31 ?type . { SELECT * WHERE { ?type wdt:P279 wd:Q7075 } } . 
    MINUS { ?entity wdt:P131 []; wdt:P17 wd:Q408; wdt:P31 ?type . { SELECT * WHERE { ?type wdt:P279 wd:Q7075 } }  } 
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" }
  }
  LIMIT 1000