Question: How many Alabama counties share a border with another Alabama county whose capital Mobile (the one whose elevation (above sea level) is 3 metre?)
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Alabama" . ?e <shares_border_with> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "county of Alabama" . ?e_1 <capital> ?e_2 . ?e_2 <pred:name> "Mobile" . ?e_2 <elevation_above_sea_level> ?pv . ?pv <pred:unit> "metre" . ?pv <pred:value> "3"^^xsd:double .   }
Program:
function: Find
inputs: Mobile
function: FilterNum
dependencies: 0
inputs: elevation above sea level
3 metre
=
function: Relate
dependencies: 1
inputs: capital
backward
function: FilterConcept
dependencies: 2
inputs: county of Alabama
function: Relate
dependencies: 3
inputs: shares border with
backward
function: FilterConcept
dependencies: 4
inputs: county of Alabama
function: Count
dependencies: 5
Answer: 2