Question: What is the local dialing code of the city that is the twinned administrative body of Duluth?
Choices: 0228
08700
01
08820
01383
980
01926
0234
49
807
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:name> "Duluth" .  ?e <local_dialing_code> ?pv .  }
Program:
function: Find
inputs: Duluth
function: Relate
dependencies: 0
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttr
dependencies: 2
inputs: local dialing code
Answer: 807