query: # Items that have occupation = mangaka that have a japanese label, but no english label
  SELECT ?item ?itemLabel ?japaneseLabel WHERE {
      ?item wdt:P106 wd:Q191633 .
      ?item rdfs:label ?japaneseLabel filter (lang(?japaneseLabel) = "ja") .
  	filter not exists { ?item rdfs:label ?missinglabel filter (lang(?missinglabel) = "en") } .
    	SERVICE wikibase:label {
  		bd:serviceParam wikibase:language "en" .
  	}
  }