query: SELECT ?item ?l1 ?l5 ?ls 
  WITH
  {
    SELECT ?item { ?item wdt:P31 wd:Q101352 } ORDER BY DESC(xsd:integer(SUBSTR(STR(?item),33)))   LIMIT 30000
  }  AS <95>0AWITH
  {
    SELECT ?item (COUNT(?l) as ?ls) (SAMPLE(?l) as ?l1)  {  
    INCLUDE <95>0A    ?item schema:description ?l } GROUP BY ?item HAVING( ?ls < 10) 
  }  as <a5>20
  WHERE
  { 
    INCLUDE <a5>0A  OPTIONAL { ?item rdfs:label ?l5 . FILTER(lang(?l5)="en") }           
  } 
  ORDER BY DESC(xsd:integer(SUBSTR(STR(?item),33)))