Tell me which is the ice age which contains the word age in it's name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q49367 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'age')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
ice age: Q49367