Question: What was Kingdom of Sicily's capital in the year of 1816?
Paraphrase: In 1816, what was the capital of Sicily?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q188586 p:P36 ?s . ?s ps:P36 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1816')) }