Question: Which person composed Top Hat?
Choices:
Richard Gere
William Henry Harrison
Sylvester Stallone
Irving Berlin
Babyface
Maggie Grace
Victor Young
Bernie Brillstein
Gabriel Yared
Max Fleischer
Program:
function: Find
inputs: Top Hat
function: Relate
dependencies: 0
inputs: composer
forward
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <composer> ?e . ?e_1 <pred:name> "Top Hat" .   }
Answer: Irving Berlin