Question: At what point in time did the city whose official website is http://www.comune.pisa.it have a population of 89940?
Choices:
1725-01-01
1927
1968-01-01
1924
1971-12-01
1798
1991-12-01
2000-07-05
1913-01-01
2015-01-01
Answer: 2015-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.comune.pisa.it" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "89940"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.comune.pisa.it
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttrQualifier
dependencies: 2
inputs: population
89940
point in time