query: embed.html##most frequent frist given name for people with defined second given name " 
  #by Jura1, February 2020
  SELECT ?fn ?fnLabel (COUNT(DISTINCT ?item) as ?count) (SAMPLE(?item) as ?sample)
  WHERE
  {
      ?item p:P735 [ ps:P735 wd:Q64698701 ; pq:P1545 "2" ] .
     #  hint:Prior hint:runFirst true .
      ?item p:P735 [ ps:P735 ?fn ; pq:P1545 "1" ] .
      ?item wdt:P31 wd:Q5 .
      ?fn wdt:P1705 ?fnLabel
  }
  GROUP BY ?fn ?fnLabel
  ORDER BY DESC(?count)
  LIMIT 100