Question: What is the number of disease that is used for the treatment of the medication with the CAS Registry Number is 7439-89-6
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "disease" . ?e <drug_used_for_treatment> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "medication" . ?e_1 <CAS_Registry_Number> ?pv . ?pv <pred:value> "7439-89-6" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: CAS Registry Number
7439-89-6
function: FilterConcept
dependencies: 1
inputs: medication
function: Relate
dependencies: 2
inputs: drug used for treatment
backward
function: FilterConcept
dependencies: 3
inputs: disease
function: Count
dependencies: 4
Answer: 0