Question: The Mona Lisa published in 1950 is connected in what way to Nat King Cole?
Choices: has edition
given name
Wikidata property
professional or sports partner
derivative work
sibling
operating system
organisation directed from the office or person
has immediate cause
performer
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Mona Lisa" . ?e_1 <publication_date> ?pv . ?pv <pred:year> 1950 . ?e_2 <pred:name> "Nat King Cole" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: Mona Lisa
function: FilterYear
dependencies: 0
inputs: publication date
1950
=
function: Find
inputs: Nat King Cole
function: QueryRelation
dependencies: 1
2
Answer: performer