Question: Tell me the start time of Prague (which is the twinned administrative body of Saint Petersburg) is Czech Republic's capital.
Choices: 1980-02-14
1952-07-19
1993-01-01
1861-04-22
1944
2010-04-07
1972-01-01
1993-01-08
1972-05-25
1931-12-11
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Prague" . ?e_1 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Saint Petersburg" . ?e_2 <pred:name> "Czech Republic" . ?e_1 <capital_of> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <capital_of> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Saint Petersburg
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Prague
function: And
dependencies: 1
2
function: Find
inputs: Czech Republic
function: QueryRelationQualifier
dependencies: 3
4
inputs: capital of
start time
Answer: 1993-01-01