Question: Tell me the relationship between David Copperfield (which was published on 1999-12-26) to the United Kingdom.
Choices: professional or sports partner
spouse
lyrics by
affiliation
significant event
place of burial
board member
terminus
country of origin
conferred by
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "David Copperfield" . ?e_1 <publication_date> ?pv . ?pv <pred:date> "1999-12-26"^^xsd:date . ?e_2 <pred:name> "United Kingdom" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: David Copperfield
function: FilterDate
dependencies: 0
inputs: publication date
1999-12-26
=
function: Find
inputs: United Kingdom
function: QueryRelation
dependencies: 1
2
Answer: country of origin