Question: How tall is the fictional duck Steve Gerber created?
Choices: 155 centimetre
73 metre
168 centimetre
181 centimetre
167 centimetre
1.81 metre
174 centimetre
1.63 metre
180 centimetre
79 centimetre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "fictional duck" . ?e <creator> ?e_1 . ?e_1 <pred:name> "Steve Gerber" .  ?e <height> ?pv .  }
Program:
function: Find
inputs: Steve Gerber
function: Relate
dependencies: 0
inputs: creator
backward
function: FilterConcept
dependencies: 1
inputs: fictional duck
function: QueryAttr
dependencies: 2
inputs: height
Answer: 79 centimetre