Question: When did the first-level administrative country subdivision that has Potsdam as a capital have a population of 2725000?
Choices:
2007-04-20
2011-06-12
1947-10-01
2000-09-06
1950
1950-09-13
1908-01-01
1993-12-01
1946-04-21
1710
Program:
function: Find
inputs: Potsdam
function: Relate
dependencies: 0
inputs: capital
backward
function: FilterConcept
dependencies: 1
inputs: first-level administrative country subdivision
function: QueryAttrQualifier
dependencies: 2
inputs: population
2725000
point in time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "first-level administrative country subdivision" . ?e <capital> ?e_1 . ?e_1 <pred:name> "Potsdam" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "2725000"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Answer: 1950