Question: Which country with a President of the National Council of Switzerland speaks German officially?
Answer(s):
answer: Switzerland
answer: Switzerland
answer: Switzerland
answer: Switzerland
answer: Switzerland

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.04306rv)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.04306rv ns:language.human_language.countries_spoken_in ?x .
?x ns:location.country.official_language ns:m.04306rv .
?x ns:government.governmental_jurisdiction.governing_officials ?c .
?c ns:government.government_position_held.office_position_or_title ns:m.01vqfh . 
}