Question: What is the beginning date that Jena is the twinned administrative body of Berkeley whose elevation is 52 meters above sea level?
Choices: 1817-03-04
1990-10-03
1972
2012-01-19
1963-10-29
1989
1803-02-19
1893-12-26
1952-02-14
1970-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Jena" . ?e_2 <pred:name> "Berkeley" . ?e_2 <elevation_above_sea_level> ?pv . ?pv <pred:unit> "metre" . ?pv <pred:value> "52"^^xsd:double . ?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: Jena
function: Find
inputs: Berkeley
function: FilterNum
dependencies: 1
inputs: elevation above sea level
52 metre
=
function: QueryRelationQualifier
dependencies: 0
2
inputs: twinned administrative body
start time
Answer: 1989