Question: What is the ISO 3166-2 code of the city whose official name is 평양직할시?
Choices: AU-WA
CN-31
MA-MMD
CH-ZH
BA-BIH
KP-01
BY-HM
CZ-PR
FR-75
GB-SOL
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <official_name> ?pv_1 . ?pv_1 <pred:value> "평양직할시" . ?e <ISO_3166-2_code> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official name
평양직할시
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttr
dependencies: 2
inputs: ISO 3166-2 code
Answer: KP-01