Question: What is the IETF language tag of Bulgarian?
Choices: ru
en-AU
fa
pl
tr
grk
mr
bg
sr
nl
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Bulgarian" . ?e <IETF_language_tag> ?pv .  }
Program:
function: Find
inputs: Bulgarian
function: QueryAttr
dependencies: 0
inputs: IETF language tag
Answer: bg