machine_question: what countries fall in eastern europe and the location's emissions per capita in dated metric ton is 0.77767
question: Which Eastern European country has emissions per capita in dated metric ton of 0.77767?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.09b69)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.09b69 ns:location.location.contains ?x .
  ?x ns:common.topic.notable_types ns:m.01mp .
  ?x ns:location.statistical_region.co2_emissions_per_capita ?c .
  ?c ns:measurement_unit.dated_metric_ton.number "0.77767" . 
  }
webqsp_question: what countries fall in eastern europe