Question: What is the number of Maryland counties that has a border with Washington County, which shares a border with Loudoun County.
Choices:
0
1
2
3
4
5
6
7
8
9
Program:
function: Find
inputs: Loudoun County
function: Relate
dependencies: 0
inputs: shares border with
forward
function: Find
inputs: Washington County
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: shares border with
forward
function: FilterConcept
dependencies: 4
inputs: county of Maryland
function: Count
dependencies: 5
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Maryland" . ?e_1 <shares_border_with> ?e . ?e_1 <pred:name> "Washington County" . ?e_2 <shares_border_with> ?e_1 . ?e_2 <pred:name> "Loudoun County" .   }
Answer: 2