Question: Which US city with telephone area code 469 is Nanjing's twinned administrative body ?
Choices: Oakland
Franklin
Boulder
Columbus
New Haven
Waukegan
Compton
Greenville
Dallas
St. Louis
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:name> "Nanjing" .  ?e <local_dialing_code> ?pv . ?pv <pred:value> "469" .  }
Program:
function: Find
inputs: Nanjing
function: Relate
dependencies: 0
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: FindAll
function: FilterStr
dependencies: 3
inputs: local dialing code
469
function: FilterConcept
dependencies: 4
inputs: city of the United States
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Dallas