Question: What gun has the smallest caliber in the Soviet Union?
Paraphrase: In the Soviet Union, what gun has the smallest caliber?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q751705 . ?ent wdt:P4403 ?obj . ?ent wdt:P495 wd:Q15180} ORDER BY ASC(?obj)LIMIT 5 
Answer: Gryazev-Shipunov GSh-301, S-60