Question: Al Gore held the official title of US Vice President until which date?
Choices:
2001-01-20
1917-09-13
2007-02-22
2018-05-21
1939
2005-05-13
1581-07-25
1923-01-01
1608
1985-12-29
Answer: 2001-01-20
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Al Gore" . ?e_2 <pred:name> "Vice President of the United States" . ?e_1 <position_held> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <position_held> ; <pred:fact_t> ?e_2 ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Al Gore
function: Find
inputs: Vice President of the United States
function: QueryRelationQualifier
dependencies: 0
1
inputs: position held
end time