Question: How many independent cities that are part of Metro Detroit are also part of the Louisville metro area?
Choices:
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "independent city" . ?e <part_of> ?e_1 . ?e_1 <pred:name> "Metro Detroit" .  ?e <part_of> ?e_2 . ?e_2 <pred:name> "Louisville metropolitan area" .  }
Program:
function: Find
inputs: Metro Detroit
function: Relate
dependencies: 0
inputs: part of
backward
function: FilterConcept
dependencies: 1
inputs: independent city
function: Find
inputs: Louisville metropolitan area
function: Relate
dependencies: 3
inputs: part of
backward
function: FilterConcept
dependencies: 4
inputs: independent city
function: And
dependencies: 2
5
function: Count
dependencies: 6