Question: Which islands has the government position title Prime Minister of Greece?
Answer(s):
answer: Ionian Islands

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:government.governmental_jurisdiction.governing_officials ?k .
?k ns:government.government_position_held.office_position_or_title ns:m.02wv6k_ . 
?c ns:base.aareas.schema.administrative_area.administrative_children ?x .
?x ns:common.topic.notable_types ns:m.01xxv5b .
}