Question: What town has an OS grid reference of TQ239709?
Choices: Wigan
Edmonton
Rochdale
Hemel Hempstead
South Shields
Wimbledon
Blackpool
Royal Tunbridge Wells
Poole
West Bromwich
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "town" . ?e <OS_grid_reference> ?pv . ?pv <pred:value> "TQ239709" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: OS grid reference
TQ239709
function: FilterConcept
dependencies: 1
inputs: town
function: What
dependencies: 2
Answer: Wimbledon