Question: On which date did the twinned administrative body of Kanpur, Alexandria, become twinned to Shanghai, which is twinned to Budapest?
Choices: 1994
2007-04-20
1991-12-31
1821
1919-03-10
1992-01-01
1837-01-01
1998-04-23
1866-08-23
1963-12-16
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Alexandria" . ?e_3 <twinned_administrative_body> ?e_1 . ?e_3 <pred:name> "Kanpur" . ?e_2 <pred:name> "Shanghai" . ?e_4 <twinned_administrative_body> ?e_2 . ?e_4 <pred:name> "Budapest" . ?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: Kanpur
function: Relate
dependencies: 0
inputs: twinned administrative body
forward
function: Find
inputs: Alexandria
function: And
dependencies: 1
2
function: Find
inputs: Budapest
function: Relate
dependencies: 4
inputs: twinned administrative body
forward
function: Find
inputs: Shanghai
function: And
dependencies: 5
6
function: QueryRelationQualifier
dependencies: 3
7
inputs: twinned administrative body
start time
Answer: 1992-01-01