Question: What is the title of the visual artwork about Christopher Columbus, namesake for Colombia?
Choices: Ithaca
Colorado
Rain Man
50 First Dates
The O.C.
La Panthère rose
Damages
Christopher Columbus: The Discovery
Bel-Ami
Gosford Park
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "Christopher Columbus" . ?e_2 <named_after> ?e_1 . ?e_2 <pred:name> "Colombia" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: Colombia
function: Relate
dependencies: 0
inputs: named after
forward
function: Find
inputs: Christopher Columbus
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: main subject
backward
function: FilterConcept
dependencies: 4
inputs: visual artwork
function: QueryAttr
dependencies: 5
inputs: title
Answer: Christopher Columbus: The Discovery