Question: How many public offices are the head of government of the United States city that shares a border with Arlington County?
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "public office" . ?e_1 <office_held_by_head_of_government> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city of the United States" . ?e_2 <shares_border_with> ?e_1 . ?e_2 <pred:name> "Arlington County" .   }
Program:
function: Find
inputs: Arlington County
function: Relate
dependencies: 0
inputs: shares border with
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: Relate
dependencies: 2
inputs: office held by head of government
forward
function: FilterConcept
dependencies: 3
inputs: public office
function: Count
dependencies: 4