Name a doll created by Mattel that contains the word "ken " in its name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/doll/ . ?sbj wdt:/manufacturer/ wd:/Mattel/ . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'ken')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 