Tell me physical law whose name has the word superposition in it.
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q214070 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'superposition')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
physical law: Q214070