Question: What organization's headquarters is located in the United States city that is the birthplace of John Kander?
Choices:
Procter & Gamble
California State Assembly
Organisation for Economic Co-operation and Development
Populous
General Electric
Westfield Group
Association of American Universities
Sporting Kansas City
Sydney Airport
Supreme Court of the United States
Answer: Populous
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "organization" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city of the United States" . ?e_2 <place_of_birth> ?e_1 . ?e_2 <pred:name> "John Kander" .   }
Program:
function: Find
inputs: John Kander
function: Relate
dependencies: 0
inputs: place of birth
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: Relate
dependencies: 2
inputs: headquarters location
backward
function: FilterConcept
dependencies: 3
inputs: organization
function: What
dependencies: 4