Question: Which flag is flown by the state which held the 2008 election for United States Senate in Colorado?
Answer(s):
answer: Flag of Colorado

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.political_district.elections ns:m.027phst . 
?c ns:symbols.flag_referent.flag ?y .
?y ns:symbols.flag_use.flag ?x .
}