Question: When did George Canning's British citizenship end and what was the cause?
Paraphrase: George Canning's British citizenship end in what year and what was the cause?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q219731 p:P27 ?s . ?s ps:P27 wd:Q161885 . ?s pq:P582 ?value1 . ?s pq:P1534 ?value2 }