Question: When did the Greece national association football team have a ranking of 21?
Choices:
1935
2006-03-15
1930-01-01
1896
1999-10-13
2008-02-13
1977-03-28
2003-12-01
1818
1906
Answer: 2006-03-15
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "national association football team" . ?e <country_for_sport> ?e_1 . ?e_1 <pred:name> "Greece" .  ?e <ranking> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "21"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <ranking> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Greece
function: Relate
dependencies: 0
inputs: country for sport
backward
function: FilterConcept
dependencies: 1
inputs: national association football team
function: QueryAttrQualifier
dependencies: 2
inputs: ranking
21
point in time