Question: What is the time zone of the area with the Oklahoma Supreme Court?
Answer(s):
answer: Central Time Zone

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:law.court_jurisdiction_area.courts ns:m.074dfl . 
?c ns:location.location.time_zones ?x .
}