Name a former country that contains the word "joseon" in its name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q3624078 . ?sbj wdt:P1366 wd:Q28233 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'joseon')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
sovereign state: Q3624078 korean empire: Q28233