Question: What language spoken in Iran also happens to be most spoken in the country of Turkmenistan?
Answer(s):
answer: Turkmen Language

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.03shp)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.03shp ns:location.country.languages_spoken ?x .
?x ns:language.human_language.main_country ns:m.01c4pv . 
}