Question: At what time did Dresden with population 15200 become the twinned administrative body of Columbus which is the twinned administrative body of Ahmendabad?
Choices: 1804-12-02
2010-08-21
1975
1992
1991-04-09
1958-12-12
1954
1809
1928-07-28
1974-04-23
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Dresden" . ?e_1 <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "15200"^^xsd:double . ?e_2 <pred:name> "Columbus" . ?e_2 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Ahmedabad" . ?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: Dresden
function: FilterNum
dependencies: 0
inputs: population
15200
=
function: Find
inputs: Ahmedabad
function: Relate
dependencies: 2
inputs: twinned administrative body
backward
function: Find
inputs: Columbus
function: And
dependencies: 3
4
function: QueryRelationQualifier
dependencies: 1
5
inputs: twinned administrative body
start time
Answer: 1992