Question: How many operating systems have a public key fingerprint of 1CF7 FF6F ADF5 CA9F BE1B 8CB2 ED67 ECD6 5DCF 6AE7?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "operating system" . ?e <public_key_fingerprint> ?pv . ?pv <pred:value> "1CF7 FF6F ADF5 CA9F BE1B  8CB2 ED67 ECD6 5DCF 6AE7" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: public key fingerprint
1CF7 FF6F ADF5 CA9F BE1B  8CB2 ED67 ECD6 5DCF 6AE7
function: FilterConcept
dependencies: 1
inputs: operating system
function: Count
dependencies: 2
Answer: 1