query-1eab9eb57d7e55a05d6feb14d7feb0e1

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX p: <http://www.wikidata.org/prop/>
SELECT DISTINCT ?item WHERE {
   {
  SELECT ?item (COUNT(*) AS ?cnt) WHERE {
    ?item p:P106/ps:P106/wdt:P279* wd:Q13382576; wdt:P106 ?occ .
    ?item wdt:P21 wd:Q6581097; wdt:P27 wd:Q183 .    
  } GROUP BY ?item HAVING ( ?cnt = 1 )
}.
  OPTIONAL { ?item schema:description ?str . FILTER(LANG(?str) = 'es') }
  FILTER(!BOUND(?str)) .
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v5("?cnt") v3("?item"):::projected v4("?occ") v1("?str") a1((" ")) a2((" ")) c9(["wd:Q6581097"]):::iri c11(["wd:Q183"]):::iri c6(["wd:Q13382576"]):::iri f0[["not bound(?str)"]] f0 --> v1 f1[["?cnt = '1^^xsd:integer'"]] f1 --> v5 v3 --"p:P106"--> a1 a1 --"p:statement/P106"--> a2 a2 --"p:direct/P279"--> c6 v3 --"p:direct/P106"--> v4 v3 --"p:direct/P21"--> c9 v3 --"p:direct/P27"--> c11 bind3[/"count(*)"/] bind3 --as--o v5 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v3 -."schema:description".-> v1 end