query: select ?occup ?occuplabel ?total
  with {
    select ?occup (count(*) as ?total) {
      ?sitelink schema:isPartOf <https://de.wikipedia.org/> ; schema:about ?item .
      hint:Query hint:optimizer "None" .
      ?item wdt:P31 wd:Q5 ;
            wdt:P21 wd:Q6581072 ;
            wdt:P106 ?occup .
    } group by ?occup
  } as %occupations
  where {
    include %occupations .
    optional { ?occup rdfs:label ?occuplabel filter (lang(?occuplabel) = "en") }
  } order by desc(?total) ?occuplabel