Question: What is the number of programming languages used for computer science that is WarGames main subject?
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 <use> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "computer science" . ?e_2 <main_subject> ?e_1 . ?e_2 <pred:name> "WarGames" .   }
Program:
function: Find
inputs: WarGames
function: Relate
dependencies: 0
inputs: main subject
forward
function: FilterConcept
dependencies: 1
inputs: computer science
function: Relate
dependencies: 2
inputs: use
backward
function: FilterConcept
dependencies: 3
inputs: programming language
function: Count
dependencies: 4
Answer: 1