Tell me mechanical property of materials whose name has the word yield in it.
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q5725005 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'yield')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
mechanical property of materials: Q5725005