Question: What is the official name of the Pennsylvania city whose local dialing code is 878?
Choices: Freie und Hansestadt Hamburg
City of Markham
Петроградский университет
Исламская Республика Иран
Федеративная Народная Республика Югославия
Muso oa Lesotho
Таллин
Royal Sporting Club Anderlecht
Αθλητική Ένωση Κίτιον
Pittsburgh
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e <local_dialing_code> ?pv_1 . ?pv_1 <pred:value> "878" . ?e <official_name> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: local dialing code
878
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: QueryAttr
dependencies: 2
inputs: official name
Answer: Pittsburgh