Question: Iowa State University alumnus John Davis worked for Harvard Business School until which date?
Choices: 1983-01-01
1805-03-16
1939-05-04
1965
1959
1988-10-02
1909-01-01
1915
1885-01-06
1980-08-03
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "John Davis" . ?e_1 <educated_at> ?e_3 . ?e_3 <pred:name> "Iowa State University" . ?e_2 <pred:name> "Harvard Business School" . ?e_1 <employer> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <employer> ; <pred:fact_t> ?e_2 ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Iowa State University
function: Relate
dependencies: 0
inputs: educated at
backward
function: Find
inputs: John Davis
function: And
dependencies: 1
2
function: Find
inputs: Harvard Business School
function: QueryRelationQualifier
dependencies: 3
4
inputs: employer
end time
Answer: 1959