Question: What are the start and end dates of Belfast being a part of the United Kingdom of Great Britain and Ireland?
Paraphrase: When did Belfast start and end their part in the UK of Great Britain and Ireland?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q10686 p:P17 ?s . ?s ps:P17 wd:Q174193 . ?s pq:P580 ?value1 . ?s pq:P582 ?value2 }