Question: What is the start time of when Antwerp (the one that is the twinned administrative body of Haifa) became the twinned administrative body of Rostock?
Choices:
1870-01-18
1963-01-01
1971-12-03
1951
1993-11-03
1861-03-17
1912-10-27
-4900
1070
2007-06-17
Program:
function: Find
inputs: Haifa
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Antwerp
function: And
dependencies: 1
2
function: Find
inputs: Rostock
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Antwerp" . ?e_1 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Haifa" . ?e_2 <pred:name> "Rostock" . ?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 .  }
Answer: 1963-01-01