Question: What are the prefecture-level city which start with the letter u
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q748149 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'ü')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25