Question: What academic discipline matches the voice type of Roger Waters ?
Choices: choir
mezzo-soprano
baritone
biochemistry
psychiatry
public health
bass
Yellow Submarine
soprano
English Studies
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "academic discipline" . ?e_1 <voice_type> ?e . ?e_1 <pred:name> "Roger Waters" .   }
Program:
function: Find
inputs: Roger Waters
function: Relate
dependencies: 0
inputs: voice type
forward
function: FilterConcept
dependencies: 1
inputs: academic discipline
function: What
dependencies: 2
Answer: bass