Question: What is the start date that Kazan becomes the twinned administrative body of Brunswick (whose NUTS code is DE911)?
Choices: 1949-08-15
1918-11-18
2003-09-21
1988-01-01
2010-01-01
2012-03-24
2003-09-23
2001-10-10
2012-09-28
1650-06-25
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Kazan" . ?e_2 <pred:name> "Brunswick" . ?e_2 <NUTS_code> ?pv . ?pv <pred:value> "DE911" . ?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: Kazan
function: Find
inputs: Brunswick
function: FilterStr
dependencies: 1
inputs: NUTS code
DE911
function: QueryRelationQualifier
dependencies: 0
2
inputs: twinned administrative body
start time
Answer: 1988-01-01