Question: who Wikimedia category for category for employees of the organization of Columbia University?
Paraphrase: who Wikimedia category for category for representatives of the organization of Columbia College?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q49088 wdt:P4195 ?obj . ?obj wdt:P31 wd:Q4167836 } 
Answer: Category:Columbia University staff