machine_question: what is the major language spoken in contains the wine regions that produces Retsina wine style
question: What are the major languages spoken in the regions that produce Retsina wine?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ?c)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ?c ns:wine.wine_region.wine_styles ns:m.01jg9j . 
  ?c ns:location.country.languages_spoken ?x .
  }
  
webqsp_question: what is the major language spoken in greece