Question: How many television networks distributed Jackie Robinson that originally aired on PBS?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television network" . ?e_1 <distributor> ?e . ?e_1 <pred:name> "Jackie Robinson" . ?e_1 <original_network> ?e_2 . ?e_2 <pred:name> "PBS" .   }
Program:
function: Find
inputs: PBS
function: Relate
dependencies: 0
inputs: original network
backward
function: Find
inputs: Jackie Robinson
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: distributor
forward
function: FilterConcept
dependencies: 4
inputs: television network
function: Count
dependencies: 5
Answer: 1