Question: What is the national currency of the country of origin for Ceylon Brewery Lion Stout beer?
Answer(s):
answer: Sri Lankan rupee

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:food.beer_country_region.beers_from_here ns:m.04dqs3q . 
?c ns:location.country.currency_used ?x .
}