Question: What is the ending date that Mark Brandenburg is the official name of the first-level administrative country subdivision whose native name is Brandenburg, having a start date of 1947-06-21?
Choices: 1809-03-28
1963
2017-06-27
1865-05-26
1931-01-01
1947-06-21
2003-05-27
2010-06-20
1897-10-01
1993-01-20
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "first-level administrative country subdivision" . ?e <native_label> ?pv_1 . ?pv_1 <pred:value> "Brandenburg" . [ <pred:fact_h> ?e ; <pred:fact_r> <native_label> ; <pred:fact_t> ?pv_1 ] <start_time> ?qpv_1 . ?qpv_1 <pred:date> "1947-06-21"^^xsd:date . ?e <official_name> ?pv . ?pv <pred:value> "Mark Brandenburg" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: native label
Brandenburg
function: QFilterDate
dependencies: 1
inputs: start time
1947-06-21
=
function: FilterConcept
dependencies: 2
inputs: first-level administrative country subdivision
function: QueryAttrQualifier
dependencies: 3
inputs: official name
Mark Brandenburg
end time
Answer: 1947-06-21