Tell me system of units whose name has the word units in it.
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q932268 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'units')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
system of units: Q932268