Question: What countries with a CO2 emmissions per capita was once 1961 metric tons and share border with South Africa?
Answer(s):
answer: Mozambique
answer: Mozambique
answer: Swaziland
answer: Swaziland

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0hzlz)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0hzlz ns:location.location.adjoin_s ?y .
?y ns:location.adjoining_relationship.adjoins ?x .
?x ns:location.statistical_region.co2_emissions_per_capita ?c .
?c ns:measurement_unit.dated_metric_ton.date "1961"^^xsd:dateTime . 
}