Question: Which South Asian country uses  power plugs of type Power plug Type C?
Answer(s):
answer: Afghanistan

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.06nn1)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.06nn1 ns:location.location.contains ?x .
?x ns:common.topic.notable_types ns:m.01mp .
?x ns:engineering.location_with_mains_power.mains_power_standards ?c .
?c ns:engineering.mains_power.compatible_plugs ns:m.08ny24t . 
}