query: SELECT DISTINCT ?underscoredPage ?lang
  WHERE {
    # Facet of => 2019–20 COVID-19 pandemic
    { ?item wdt:P1269 wd:Q81068910. } UNION
    # Part of => 2019–20 coronavirus pandemic by country and territory
    { ?item wdt:P361 wd:Q83741704. } UNION
    # maintained by WikiProject => WikiProject COVID-19
    { ?item wdt:P6104 wd:Q87748614. }
    ?sitelink schema:about ?item.
    ?sitelink schema:isPartOf [ wikibase:wikiGroup 'wikipedia' ].
    ?sitelink schema:name ?page.
    ?sitelink schema:inLanguage ?lang.
    BIND( REPLACE( ?page, ' ', '_' ) as ?underscoredPage )
  }
  ORDER BY DESC(?page)