Question: Which location with CO2 emissions of 0.210554104 is the Gettysburg War located?
Answer(s):
answer: Adams County

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01jnm)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01jnm ns:time.event.locations ?x .
?x ns:location.statistical_region.co2_emissions_total ?c .
?c ns:location.co2_emission.emissions "0.210554104" . 
}