Question: When did the capital which is Potsdam's twinned administrative body record a population of 1000000?
Choices:
1995-01-01
2004-11-10
2017-06-01
1632
1970-04-01
1917-09-13
1887
2012-09-05
1972-01-25
2018-03-01
Answer: 1972-01-25
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "capital" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:name> "Potsdam" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "1000000"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Potsdam
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: FilterConcept
dependencies: 1
inputs: capital
function: QueryAttrQualifier
dependencies: 2
inputs: population
1000000
point in time