Question: What county has commercial CO2 emissions of 0.001859627 and is home to the Chesapeake Bay Bridge?
Answer(s):
answer: Queen Anne's County

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.03xksb)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.03xksb ns:transportation.bridge.locale ?x .
?x ns:location.statistical_region.co2_emissions_commercial ?c .
?c ns:location.co2_emission.emissions "0.001859627" . 
}