Question: When was Robert Smith (the one whose date of death is 1900-09-19) born?
Choices:
1969-02-05
1932-04-27
1968-12-07
1958-09-25
1821-11-11
1819-04-11
1881-08-12
1946-01-26
1959-08-11
1757-11-28
Program:
function: Find
inputs: Robert Smith
function: FilterDate
dependencies: 0
inputs: date of death
1900-09-19
=
function: QueryAttr
dependencies: 1
inputs: date of birth
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Robert Smith" . ?e <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1900-09-19"^^xsd:date . ?e <date_of_birth> ?pv .  }
Answer: 1819-04-11