Question: When did  Shanghai (the one that is the birthplace of J. G. Ballard) become the twinned administrative body of Phnom Penh?
Choices: 1997-06-06
1922-12-29
1934
1995-12-21
1763
1947-05-03
1905
1534-01-01
1929
2008-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Shanghai" . ?e_3 <place_of_birth> ?e_1 . ?e_3 <pred:name> "J. G. Ballard" . ?e_2 <pred:name> "Phnom Penh" . ?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: J. G. Ballard
function: Relate
dependencies: 0
inputs: place of birth
forward
function: Find
inputs: Shanghai
function: And
dependencies: 1
2
function: Find
inputs: Phnom Penh
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
Answer: 2008-01-01