what is geometric concept contains the word space in their name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q21550639 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'space')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
geometric concept: Q21550639