What country whose archives are located in the National Library of Wales contains the word "wales" in its name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q6256 . ?sbj wdt:P485 wd:Q666063 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'wales')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
country: Q6256 national library of wales: Q666063