Question: When did Konstantin Eduardovich Tsiolkovskii stop being a citizen of the Russian Empire?
Paraphrase: When was Konstantin Eduarovich Tsiolkovskii exiled from the Russian Empire?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q41239 p:P27 ?s . ?s ps:P27 wd:Q34266 . ?s pq:P582 ?value}