query: SELECT ?item
    (COUNT(DISTINCT ?p) as ?count)
    (SAMPLE(?p) as ?sample_p)
  {
      ?item wdt:P407 wd:Q652 ;
            wdt:P31/wdt:P279? wd:Q202444 .
      hint:Prior hint:gearing "forward" .
      FILTER NOT EXISTS { ?item schema:description ?d . 
                         FILTER ( lang(?d) = "it" && REGEX(?d, "prenome")   ) 
                        }
      OPTIONAL { ?p wdt:P735 ?item .}
  }
  GROUP BY ?item
  ORDER BY DESC(?count) ?item