TELL ME GEOGRAPHIC REGION WHOSE NAME HAS THE WORD SUMADIJA IN IT
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q82794 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'šumadija')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
geographic region: Q82794