Question: What is the minimum elevation above sea level of the country Brazil?
Paraphrase: What is the least height over ocean level of the nation Brazil?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q24529780 . ?ent wdt:P2044 ?obj . ?ent wdt:P17 wd:Q155} ORDER BY ASC(?obj)LIMIT 5 
Answer: Ponta dos Pescadores, Ponta Tabaíba, Ponta de Santa Cruz, Ponta de Itaoca, Ponta da Luz