Question: What is named after Vladikavkaz since the year of 1954?
Paraphrase: In 1954, what was named after Vladikavkaz?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q5239 p:P138 ?s . ?s ps:P138 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1954')) }