Question: What United States city is the birthplace of heavy metal artist Alice Cooper?
Choices: Detroit
Burbank
Oakland
Columbus
Seattle
Huntington Beach
Bay City
Waukegan
Greenville
Franklin
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:name> "Alice Cooper" . ?e_1 <genre> ?e_2 . ?e_2 <pred:name> "traditional heavy metal" .   }
Program:
function: Find
inputs: traditional heavy metal
function: Relate
dependencies: 0
inputs: genre
backward
function: Find
inputs: Alice Cooper
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: place of birth
forward
function: FilterConcept
dependencies: 4
inputs: city of the United States
function: What
dependencies: 5
Answer: Detroit