Question: How many economic branches are operated by the organization whose hub airport is Sydney Airport?
Choices:
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Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "economic branch" . ?e_1 <item_operated> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "organization" . ?e_1 <airline_hub> ?e_2 . ?e_2 <pred:name> "Sydney Airport" .   }
Program:
function: Find
inputs: Sydney Airport
function: Relate
dependencies: 0
inputs: airline hub
backward
function: FilterConcept
dependencies: 1
inputs: organization
function: Relate
dependencies: 2
inputs: item operated
forward
function: FilterConcept
dependencies: 3
inputs: economic branch
function: Count
dependencies: 4