Question: What is the official website of the modern language whose country is Kazakhstan?
Choices:
http://www.brianwilson.com
http://ruslang.ru/
http://warnervideo.com/friends15/
http://www.sarahpolley.org/
http://www.arrahman.com
http://haskellwexler.com/
http://www.hagerstownmd.org/
http://www.latoyaonline.com/
http://www.ci.new-london.ct.us/
http://www.australia.com/en-us/places/sydney.html
Answer: http://ruslang.ru/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "modern language" . ?e <country> ?e_1 . ?e_1 <pred:name> "Kazakhstan" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Kazakhstan
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: modern language
function: QueryAttr
dependencies: 2
inputs: official website