Question: What location where the Navajo Indians live adapted it's symbol last?
Answer(s):
answer: Utah

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.08k5jg)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.08k5jg ns:people.ethnicity.geographic_distribution ?x .
?x ns:government.governmental_jurisdiction.official_symbols ?c .
?c ns:location.location_symbol_relationship.date_adopted ?num .
}
ORDER BY DESC(?num) LIMIT 1