Name a region in China whose highest point is K2 that starts with letter X
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/autonomous region of the People's Republic of China/ . ?sbj wdt:/highest point/ wd:/K2/ . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'x')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 