Question: When did the New York county named after Christopher Columbus (the one whose date of death is 1506-05-19) have a population of 47172?
Choices: 2015-12-17
1997-08-20
1634-01-01
1632
1980
2002-08-01
1717-01-01
1987-03-30
1979-01-01
1860
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of New York" . ?e <named_after> ?e_1 . ?e_1 <pred:name> "Christopher Columbus" . ?e_1 <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1506-05-19"^^xsd:date . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "47172"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Christopher Columbus
function: FilterDate
dependencies: 0
inputs: date of death
1506-05-19
=
function: Relate
dependencies: 1
inputs: named after
backward
function: FilterConcept
dependencies: 2
inputs: county of New York
function: QueryAttrQualifier
dependencies: 3
inputs: population
47172
point in time
Answer: 1860