Question: When did Astrakhan become a twinned town with Brest?
Paraphrase: At what time did Astrakhan join as a twin town with Brest?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q3927 p:P190 ?s . ?s ps:P190 wd:Q140147 . ?s pq:P580 ?value}