Question: What position did Hammer DeRoburt leave on September 17, 1986?
Paraphrase: on September 17, 1986 for which position did Hammer DeRoburt left?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q336231 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1986')) }