Question: What northeastern U.S. states use the U.S. dollar?
Answer(s):
answer: Maine
answer: New Hampshire
answer: Rhode Island

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.027rjr)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.027rjr ns:location.location.contains ?x .
?x ns:location.statistical_region.gdp_nominal ?c .
?c ns:measurement_unit.dated_money_value.currency ns:m.09nqf . 
}