Question: What position does Iván Duque Márquez hold at 2018-4-10?
Paraphrase: Tell me the position Iván Duque Márquez holds on 2018-4-10.
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q17478000 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'2018')) }