Question: Which software developed prior to 1996 has the Stack Exchange tag stackoverflow.com/tags/mesa?
Choices: Unix
iOS
Brave
Android
Microsoft Windows
Regina
Solaris
macOS
Mesa
Linux
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "software" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1996 ) . ?e <Stack_Exchange_tag> ?pv_1 . ?pv_1 <pred:value> "https://stackoverflow.com/tags/mesa" .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1996
<
function: FilterConcept
dependencies: 1
inputs: software
function: FindAll
function: FilterStr
dependencies: 3
inputs: Stack Exchange tag
https://stackoverflow.com/tags/mesa
function: FilterConcept
dependencies: 4
inputs: software
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Mesa