Question: Who is senator of the state with an official symbol of Saguaro?
Answer(s):
answer: Barry Goldwater
answer: Jon Kyl
answer: Jeff Flake
answer: Carl Hayden
answer: Ernest McFarland
answer: Dennis DeConcini
answer: Paul Fannin
answer: Henry F. Ashurst
answer: Marcus A. Smith
answer: Ralph H. Cameron
answer: John McCain

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.official_symbols ?k .
?k ns:location.location_symbol_relationship.symbol ns:m.0m5w_ . 
?c ns:government.political_district.representatives ?y .
?y ns:government.government_position_held.office_holder ?x .
?y ns:government.government_position_held.office_position_or_title ns:m.02_7l8y .
}