Question: Which video game developer is headquartered in Burnaby?
Choices:
EA Sports
Codemasters
U.S. Gold
Simon Fraser University
Koei
Valve Corporation
Atari
Interplay Entertainment
EA Vancouver
Eidos Interactive
Answer: EA Vancouver
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "video game developer" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Burnaby" .   }
Program:
function: Find
inputs: Burnaby
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: FilterConcept
dependencies: 1
inputs: video game developer
function: What
dependencies: 2