Question: What is the date of birth of William Shakespeare who died on 1931-01-01?
Choices: 1849-06-16
1977-09-11
1966-03-13
1870-01-11
1909-06-17
1966-08-12
1971-12-04
1964-07-01
1965-02-07
1939-12-18
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "William Shakespeare" . ?e <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1931-01-01"^^xsd:date . ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: William Shakespeare
function: FilterDate
dependencies: 0
inputs: date of death
1931-01-01
=
function: QueryAttr
dependencies: 1
inputs: date of birth
Answer: 1849-06-16