query: #organizations, people, websites, publications, etc. 
  #related to open access to research in Japan
  SELECT ?open_access_in_Japan ?open_access_in_JapanLabel ?official_website WHERE {
    { ?open_access_in_Japan wdt:P2650 wd:Q56064901. }
    UNION
    { ?open_access_in_Japan wdt:P921 wd:Q56064901. }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    OPTIONAL { ?open_access_in_Japan wdt:P856 ?official_website. }
  }