Name a chemical element located in the UK that contains the word "strontium" in its name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/chemical element/ . ?sbj wdt:/location of discovery/ wd:/United Kingdom/ . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'strontium')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 