query: SELECT ?item ?item2 ?label ?description (LANG(?label) AS ?lang) WHERE {
    ?item wdt:P31 wd:Q3305213;
          rdfs:label ?label;
          schema:description ?description.
    ?item2 rdfs:label ?label;
           schema:description ?description.
    FILTER(LANG(?label) = LANG(?description))
    FILTER(STR(?item) < STR(?item2))
  }
  LIMIT 1000