Question: What programming language has a Stack Exchange tag of https://stackoverflow.com/tags/c%23?
Choices:
C
Perl
C#
Python
Julia
Tom Johnson
Java
PHP
C++
Lisp
Answer: C#
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "programming language" . ?e <Stack_Exchange_tag> ?pv . ?pv <pred:value> "https://stackoverflow.com/tags/c%23" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Stack Exchange tag
https://stackoverflow.com/tags/c%23
function: FilterConcept
dependencies: 1
inputs: programming language
function: What
dependencies: 2