Question: Is SD922053 the OS grid reference of St Albans?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "St Albans" . ?e <OS_grid_reference> ?pv . ?pv <pred:value> "SD922053" .  }
Program:
function: Find
inputs: St Albans
function: QueryAttr
dependencies: 0
inputs: OS grid reference
function: VerifyStr
dependencies: 1
inputs: SD922053