Question: What is the time zone that has the UTC offset of -6.0 in South Dakota?
Answer(s):
answer: Mountain Time Zone

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.06mz5)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.06mz5 ns:location.location.time_zones ?x .
?x ns:time.time_zone.dst_offset_from_utc "-6.0" . 
}