Question: What is the Stack Exchange associated with the programming language influenced by Python, which in turn is influenced by Perl?
Choices:
https://devops.stackexchange.com/tags/windows
https://stackoverflow.com/tags/julia-lang
https://travel.stackexchange.com/tags/catalonia
https://opendata.stackexchange.com/tags/europe
https://travel.stackexchange.com/tags/germany
https://stackoverflow.com/tags/perl
https://sqa.stackexchange.com/tags/windows
https://stackoverflow.com/tags/advertising
https://math.stackexchange.com/tags/abstract-algebra
https://stackoverflow.com/tags/gpl
Answer: https://stackoverflow.com/tags/julia-lang
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "programming language" . ?e <influenced_by> ?e_1 . ?e_1 <pred:name> "Python" . ?e_1 <influenced_by> ?e_2 . ?e_2 <pred:name> "Perl" .  ?e <Stack_Exchange_tag> ?pv .  }
Program:
function: Find
inputs: Perl
function: Relate
dependencies: 0
inputs: influenced by
backward
function: Find
inputs: Python
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: influenced by
backward
function: FilterConcept
dependencies: 4
inputs: programming language
function: QueryAttr
dependencies: 5
inputs: Stack Exchange tag