query: # Integers that are a subclass of something.
  SELECT * WHERE {
    SELECT
      (SAMPLE(?item) as ?item)
      (SAMPLE(?en_label) as ?name)
      (GROUP_CONCAT(DISTINCT ?en_class_label; SEPARATOR = ", ") AS ?classes)
    WHERE {
      ?item p:P31/ps:P31/wdt:P279* wd:Q11563.
      ?item p:P279/ps:P279 ?class.
      OPTIONAL {?item rdfs:label ?en_label. FILTER(LANG(?en_label) = "en")}
      OPTIONAL {?class rdfs:label ?en_class_label. FILTER(LANG(?en_class_label) = "en")}
    }
    GROUP BY ?item
  }
  ORDER BY DESC(?name)