Question: Which country had a co2 emiisions per capita was once 2010 metric ton and uses turkish as a language?
Answer(s):
answer: Cyprus
answer: Turkey
answer: Republic of Macedonia
answer: Austria

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.02hwyss)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.02hwyss ns:language.human_language.countries_spoken_in ?x .
?x ns:location.statistical_region.co2_emissions_per_capita ?c .
?c ns:measurement_unit.dated_metric_ton.date "2010"^^xsd:dateTime . 
}