Question: How many products are used for the product that equals the official color of PFC CSKA Sofia?
Choices:
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "product" . ?e <use> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "product" . ?e_2 <official_color> ?e_1 . ?e_2 <pred:name> "PFC CSKA Sofia" .   }
Program:
function: Find
inputs: PFC CSKA Sofia
function: Relate
dependencies: 0
inputs: official color
forward
function: FilterConcept
dependencies: 1
inputs: product
function: Relate
dependencies: 2
inputs: use
backward
function: FilterConcept
dependencies: 3
inputs: product
function: Count
dependencies: 4