Question: What are the number of symptoms of lung cancer ?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "symptom" . ?e <symptom_of> ?e_1 . ?e_1 <pred:name> "lung cancer" .   }
Program:
function: Find
inputs: lung cancer
function: Relate
dependencies: 0
inputs: symptom of
backward
function: FilterConcept
dependencies: 1
inputs: symptom
function: Count
dependencies: 2
Answer: 2