query: select distinct ?item ?number ?en ?dob ?pob ?dod ?pod
  with { # select all the numbers of sitelinks
    select ?number (count(*) as ?total) { 
      [] wikibase:sitelinks ?number .
    } group by ?number
  } as %numbers
  where {
    include %numbers .
    filter (?number > 45) .
    ?item wikibase:sitelinks ?number .
    ?item wdt:P31 wd:Q5.
    ?item wdt:P19 ?pob.
    ?pob wdt:P17 wd:Q214.
    OPTIONAL { ?item wdt:P569 ?dob }
    OPTIONAL { ?item wdt:P570 ?dod } 
    OPTIONAL { ?item wdt:P20 ?pod }  
    ?sitelink <http://schema.org/about> ?item .
    optional { ?wen schema:about ?item . ?wen schema:name ?article_en . ?wen schema:isPartOf <https://cs.wikipedia.org/>}
    bind(if(bound(?article_en),"Yes","") as ?en)
  } order by desc(?number)