Question: What Vostok mission did Yuri Gagarin fly in?
Paraphrase: What was Yuri Gagarin's mission in Vostok?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q7327 wdt:P450 ?obj . ?obj wdt:P31 wd:Q624038 } 
Answer: Vostok 1