Question: Which band belongs to the USA?
Choices:
The Black Keys
College of the Holy Cross
Johnstown
U2
Prometheus Award
Boston Bruins
Mesa
Kraftwerk
Phoenix
Counting Crows
Answer: The Black Keys
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "band" . ?e <country> ?e_1 . ?e_1 <pred:name> "United States of America" .   }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: band
function: What
dependencies: 2