Question: What state has an official symbol of Populus sect. Aigeiros and was the residence of Laura Ingalls Wilder?
Answer(s):
answer: Kansas

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01bt87)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01bt87 ns:people.person.places_lived ?y .
?y ns:people.place_lived.location ?x .
?x ns:government.governmental_jurisdiction.official_symbols ?c .
?c ns:location.location_symbol_relationship.symbol ns:m.01ck8b . 
}