What is a subsidiary of Lamont-Doherty Earth Observatory that is a private, non-profit educational institution with the word "Columbia" in its name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q23002054 . ?sbj wdt:P355 wd:Q34051 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'columbia')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
private not-for-profit educational institution: Q23002054 lamont–doherty earth observatory: Q34051