Question: How many historical countries have +37 as their country calling code?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "historical country" . ?e <country_calling_code> ?pv . ?pv <pred:value> "+37" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: country calling code
+37
function: FilterConcept
dependencies: 1
inputs: historical country
function: Count
dependencies: 2
Answer: 1