Question: What area of London is the birthplace of Paul Williams, Chelsea F.C. member ?
Choices:
Brixton
Islington
Camberwell
Wandsworth
Westminster
Lewisham
Bromley
Lambeth
Paddington
Croydon
Answer: Lambeth
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "area of London" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:name> "Paul Williams" . ?e_1 <member_of_sports_team> ?e_2 . ?e_2 <pred:name> "Chelsea F.C." .   }
Program:
function: Find
inputs: Chelsea F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Paul Williams
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: place of birth
forward
function: FilterConcept
dependencies: 4
inputs: area of London
function: What
dependencies: 5