Question: When was  Canadian Alliance's Stephen Harper?
Choices:
2002
1768
1699-12-01
1664-02-07
2006-07-14
2017-09-14
-150
1921
1787-01-01
1947-10-01
Answer: 2002
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Canadian Alliance" . ?e_2 <pred:name> "Stephen Harper" . ?e_1 <chairperson> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <chairperson> ; <pred:fact_t> ?e_2 ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Canadian Alliance
function: Find
inputs: Stephen Harper
function: QueryRelationQualifier
dependencies: 0
1
inputs: chairperson
point in time