Question: Since when is Halle (Saale) the twin-town of Hildesheim (the one that is the twinned administrative body of Halle (Saale)) ?
Choices:
2005-04-15
1990-01-01
2017-09-07
1930-05-03
1945-05-21
2014-04-20
1996-05-24
1815-08-07
1830-10-04
1991-08-30
Answer: 1990-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Halle (Saale)" . ?e_2 <pred:name> "Hildesheim" . ?e_2 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Halle (Saale)" . ?e_1 <twinned_administrative_body> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <twinned_administrative_body> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Halle (Saale)
function: Find
inputs: Halle (Saale)
function: Relate
dependencies: 1
inputs: twinned administrative body
backward
function: Find
inputs: Hildesheim
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: twinned administrative body
start time