Question: Which languange is the official language of the sovereign state whose demonym is checoslovaca?
Choices: Indonesian
Finnish
Afrikaans
Irish
Scots
Bengali
Czech
Portuguese
Tamil
German
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "language" . ?e_1 <official_language> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "sovereign state" . ?e_1 <demonym> ?pv . ?pv <pred:value> "checoslovaca" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: demonym
checoslovaca
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: Relate
dependencies: 2
inputs: official language
forward
function: FilterConcept
dependencies: 3
inputs: language
function: What
dependencies: 4
Answer: Czech