Question: What tourist attractions are there in the country that uses Hong Kong dollar?
Answer(s):
answer: Lamma Island
answer: Lantau Island
answer: Victoria Peak
answer: Kowloon Walled City
answer: Hong Kong Disneyland
answer: Victoria Park, Hong Kong
answer: Ten Thousand Buddhas Monastery
answer: Hong Kong Museum of Art
answer: Hong Kong Wetland Park
answer: Po Lin Monastery
answer: Clock Tower, Hong Kong
answer: Dr Sun Yat-sen Museum
answer: Hotel Indigo Hong Kong Island

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:location.country.currency_used ns:m.02nb4kq . 
?c ns:travel.travel_destination.tourist_attractions ?x .
}