Question: What number of Maryland counties are a part of Greater Houston?
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Maryland" . ?e_1 <has_part> ?e . ?e_1 <pred:name> "Greater Houston" .   }
Program:
function: Find
inputs: Greater Houston
function: Relate
dependencies: 0
inputs: has part
forward
function: FilterConcept
dependencies: 1
inputs: county of Maryland
function: Count
dependencies: 2