Which is the ancient civilization in the time period of Ancient Near East and whose name contains the word summer in it's name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/ancient civilization/ . ?sbj wdt:/time period/ wd:/ancient Near East/ . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'sumer')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 