Question: The Man in the Iron Mask, published in 1923, has what link with Germany?
Choices:
sport
organizer
works in collection
narrator
spouse
culture
occupation
diplomatic relation
use
country of origin
Answer: country of origin
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "The Man in the Iron Mask" . ?e_1 <publication_date> ?pv . ?pv <pred:year> 1923 . ?e_2 <pred:name> "Germany" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: The Man in the Iron Mask
function: FilterYear
dependencies: 0
inputs: publication date
1923
=
function: Find
inputs: Germany
function: QueryRelation
dependencies: 1
2