Question: When did a city in the US that is the twin-city of Peterborough (founded in 1541) reach the population of 9431?
Choices: 1983-12-01
2011-06-12
2005-03-01
2015-10-28
2011-08-24
1890
1959-04-06
2017-02-09
2014-10-23
2002-04-17
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:name> "Peterborough" . ?e_1 <inception> ?pv_1 . ?pv_1 <pred:year> 1541 . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "9431"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Peterborough
function: FilterYear
dependencies: 0
inputs: inception
1541
=
function: Relate
dependencies: 1
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 2
inputs: city of the United States
function: QueryAttrQualifier
dependencies: 3
inputs: population
9431
point in time
Answer: 1890