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:P31 wd:Q28171280 . ?sbj wdt:P2348 wd:Q269678 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'sumer')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
ancient civilization: Q28171280 ancient near east: Q269678