Question: What is the telephone area code of the London area where Oliver Cromwell died?
Choices: 416
0511
36202
254
803
0295
61
01452
08635
020
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "area of London" . ?e_1 <place_of_death> ?e . ?e_1 <pred:name> "Oliver Cromwell" .  ?e <local_dialing_code> ?pv .  }
Program:
function: Find
inputs: Oliver Cromwell
function: Relate
dependencies: 0
inputs: place of death
forward
function: FilterConcept
dependencies: 1
inputs: area of London
function: QueryAttr
dependencies: 2
inputs: local dialing code
Answer: 020