Question: Is TQ255795 the OS grid reference for the area of London whose postal code is SW7?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "area of London" . ?e <postal_code> ?pv_1 . ?pv_1 <pred:value> "SW7" . ?e <OS_grid_reference> ?pv . ?pv <pred:value> "TQ255795" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: postal code
SW7
function: FilterConcept
dependencies: 1
inputs: area of London
function: QueryAttr
dependencies: 2
inputs: OS grid reference
function: VerifyStr
dependencies: 3
inputs: TQ255795
Answer: yes