query: SELECT ?eponymLabel ?count ?sampleLabel
  {
    {
      SELECT ?eponym (COUNT(?item) as ?count) (SAMPLE(?item) AS ?sample)
      WHERE
      {
        ?item wdt:P138 ?eponym.
        ?eponym wdt:P106 wd:Q170790.
      }
      GROUP BY ?eponym
    }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  ORDER BY DESC(?count)