Question: Tell me the United States city that utilizes the currency United States dollar.
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Answer: 3
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <currency> ?e_1 . ?e_1 <pred:name> "United States dollar" .   }
Program:
function: Find
inputs: United States dollar
function: Relate
dependencies: 0
inputs: currency
backward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: Count
dependencies: 2