Question: When did Winston Churchill (the one that is an ethnic group of English people) die?
Choices:
1997-04-25
2018-11-02
1835-04-07
1037-06-18
1970-06-09
2014-06-30
1976-12-04
1994-11-09
1998-02-21
1965-01-24
Answer: 1965-01-24
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Winston Churchill" . ?e <ethnic_group> ?e_1 . ?e_1 <pred:name> "English people" .  ?e <date_of_death> ?pv .  }
Program:
function: Find
inputs: English people
function: Relate
dependencies: 0
inputs: ethnic group
backward
function: Find
inputs: Winston Churchill
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of death