Question: Does the town with local dialing code 01233 have an OS grid reference of TR005425?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "town" . ?e <local_dialing_code> ?pv_1 . ?pv_1 <pred:value> "01233" . ?e <OS_grid_reference> ?pv . ?pv <pred:value> "TR005425" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: local dialing code
01233
function: FilterConcept
dependencies: 1
inputs: town
function: QueryAttr
dependencies: 2
inputs: OS grid reference
function: VerifyStr
dependencies: 3
inputs: TR005425