Question: When did Rome (the one whose country is Italy) have a population of 2873494?
Choices:
1961
1886-01-01
2002-07-08
1890
1780-01-01
1917-01-01
1815-12-01
1961-06-22
2017-01-01
1960-12-31
Program:
function: Find
inputs: Italy
function: Relate
dependencies: 0
inputs: country
backward
function: Find
inputs: Rome
function: And
dependencies: 1
2
function: QueryAttrQualifier
dependencies: 3
inputs: population
2873494
point in time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Rome" . ?e <country> ?e_1 . ?e_1 <pred:name> "Italy" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "2873494"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Answer: 2017-01-01