Question: What shared a border with Centre-Val de Loire up to the end of 2015 ?
Paraphrase: Up to the end of 2015 what joined a border with Centre-Val de Loire?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q13947 p:P47 ?s . ?s ps:P47 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'2015')) }