Question: What is the beginning date that the country of the Kingdom of Prussia contains Hanover (that is the twinned administrative body of Montreal)?
Choices:
1976-07-02
1981-01-05
1866-09-20
1970-10-13
1992-05-06
1945-11-05
2009-06-22
1991-06-26
1863-09-17
1997-08-11
Answer: 1866-09-20
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Hanover" . ?e_1 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Montreal" . ?e_2 <pred:name> "Kingdom of Prussia" . ?e_1 <country> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <country> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Montreal
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Hanover
function: And
dependencies: 1
2
function: Find
inputs: Kingdom of Prussia
function: QueryRelationQualifier
dependencies: 3
4
inputs: country
start time