Question: What is the IEFT language tag for the  language whose pronunciation audio is Lb-schwedesch.ogg?
Choices: ga
mr
ko
sv
kn
no
ja
te
kxm
afa
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "language" . ?e <pronunciation_audio> ?pv_1 . ?pv_1 <pred:value> "Lb-schwedesch.ogg" . [ <pred:fact_h> ?e ; <pred:fact_r> <pronunciation_audio> ; <pred:fact_t> ?pv_1 ] <language_of_work_or_name> ?qpv . ?qpv <pred:value> "Luxembourgish" . ?e <IETF_language_tag> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: pronunciation audio
Lb-schwedesch.ogg
function: QFilterStr
dependencies: 1
inputs: language of work or name
Luxembourgish
function: FilterConcept
dependencies: 2
inputs: language
function: QueryAttr
dependencies: 3
inputs: IETF language tag
Answer: sv