Question: When did the Waterloo led by a councillor record a population of 104,986?
Choices: 2016
1978-04-03
2018-07-06
2005-10-01
1970-04-01
1984
1990-02-14
1950-10-01
2012-05-01
1823
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Waterloo" . ?e <office_held_by_head_of_government> ?e_1 . ?e_1 <pred:name> "councillor" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "104986"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: councillor
function: Relate
dependencies: 0
inputs: office held by head of government
backward
function: Find
inputs: Waterloo
function: And
dependencies: 1
2
function: QueryAttrQualifier
dependencies: 3
inputs: population
104986
point in time
Answer: 2016