Question: What administrative territorial entity uses Russian as the official language?
Choices: Russian Soviet Federative Socialist Republic
Ponce
Kazakhstan
Autonomous Republic of Crimea
Douglas County
Kyrgyzstan
Puerto Rico
Anguilla
British Virgin Islands
Ukrainian Soviet Socialist Republic
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "administrative territorial entity" . ?e <official_language> ?e_1 . ?e_1 <pred:name> "Russian" .   }
Program:
function: Find
inputs: Russian
function: Relate
dependencies: 0
inputs: official language
backward
function: FilterConcept
dependencies: 1
inputs: administrative territorial entity
function: What
dependencies: 2
Answer: Autonomous Republic of Crimea