Question: How many Pennsylvania counties are the birthplace of someone with Twitter username CharlizeAfrica?
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Pennsylvania" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <Twitter_username> ?pv . ?pv <pred:value> "CharlizeAfrica" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
CharlizeAfrica
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: place of birth
forward
function: FilterConcept
dependencies: 3
inputs: county of Pennsylvania
function: Count
dependencies: 4