Question: What is the start date that Leiden's country is the Netherlands?
Choices:
1992-02-08
1980-09-16
1815-06-09
1984-04-19
1487-01-01
2010-07-31
1974-07-30
1967-01-02
2008-03-18
2006-05-05
Program:
function: Find
inputs: Leiden
function: Find
inputs: Netherlands
function: QueryRelationQualifier
dependencies: 0
1
inputs: country
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Leiden" . ?e_2 <pred:name> "Netherlands" . ?e_1 <country> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <country> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Answer: 1815-06-09