Question: What is the number of programmin languages that have operating system the operating system with the subredding freebsd.
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "programming language" . ?e <operating_system> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "operating system" . ?e_1 <subreddit> ?pv . ?pv <pred:value> "freebsd" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: subreddit
freebsd
function: FilterConcept
dependencies: 1
inputs: operating system
function: Relate
dependencies: 2
inputs: operating system
backward
function: FilterConcept
dependencies: 3
inputs: programming language
function: Count
dependencies: 4
Answer: 0