Question: What position did Arianna Huffington hold when she was employed by The Detroit Project?
Paraphrase: When Arianna Huffington worked at The Detroit Project, what job did she have?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q233397 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P108 wd:Q7729876 }