Question: How many occupations use the language that is the official language of Serbia?
Choices:
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "occupation" . ?e <languages_spoken,_written_or_signed> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "language" . ?e_2 <official_language> ?e_1 . ?e_2 <pred:name> "Serbia" .   }
Program:
function: Find
inputs: Serbia
function: Relate
dependencies: 0
inputs: official language
forward
function: FilterConcept
dependencies: 1
inputs: language
function: Relate
dependencies: 2
inputs: languages spoken, written or signed
backward
function: FilterConcept
dependencies: 3
inputs: occupation
function: Count
dependencies: 4