Question: What political system is practiced in the Central Western Time Zone?
Answer(s):
answer: Parliamentary system
answer: Constitutional monarchy
answer: Federal monarchy

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.location.time_zones ns:m.0y498v7 . 
?c ns:location.country.form_of_government ?x .
}