Name a nonmetal discovered in England that contains the word "oxygen" in its name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q19600 . ?sbj wdt:P189 wd:Q21 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'oxygen')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
nonmetal: Q19600 england: Q21