Question: Who is the composer of the movie titled Top Hat?
Choices: George Harrison
Francis Ford Coppola
Fred Ward
Franz Waxman
Irving Berlin
Joe Hisaishi
Channing Tatum
Lars Ulrich
Elliot Goldenthal
Johann Sebastian Bach
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <composer> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "visual artwork" . ?e_1 <title> ?pv . ?pv <pred:value> "Top Hat" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: title
Top Hat
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: Relate
dependencies: 2
inputs: composer
forward
function: FilterConcept
dependencies: 3
inputs: human
function: What
dependencies: 4
Answer: Irving Berlin