Question: How many ethnic communities are in a sovereign state whose ITU letter code is USA ?
Choices:
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Answer: 6
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "ethnic community" . ?e <country> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "sovereign state" . ?e_1 <ITU_letter_code> ?pv . ?pv <pred:value> "USA" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: ITU letter code
USA
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: Relate
dependencies: 2
inputs: country
backward
function: FilterConcept
dependencies: 3
inputs: ethnic community
function: Count
dependencies: 4