query: SELECT DISTINCT ?item ?count
  (REPLACE(STR(?item), ".*Q", "Q") AS ?qid) 
  (CONCAT("[https://scholia.toolforge.org/author/", ENCODE_FOR_URI(?qid), " 🙋]") AS ?ScholiaURL) 
  
  WITH {
    SELECT ?item WHERE {
      ?item wdt:P106 wd:Q82955 . # politicians
    }
  }
  AS %politicians
  WITH {
    SELECT ?item (COUNT(DISTINCT ?publication) AS ?count) WHERE {
      INCLUDE %politicians
              ?publication wdt:P50 ?item . #authors
    }
    GROUP BY ?item ?count
    HAVING (?count > 200)
  }
  AS %publications
  WHERE {
    INCLUDE %publications
            SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }
  GROUP BY ?item ?count ?qid ?ScholiaURL
  ORDER BY DESC(?count)
  LIMIT 300