Question: When was the conclusion of the US final officially called the Basketball Association of America World Championship Series?
Choices: 1973-10-25
1948-03-20
2000-12-18
1964
1949
1991-09-06
2008-03-23
1928-01-01
1932-02-27
1947
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "final" . ?e <country> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <official_name> ?pv . ?pv <pred:value> "Basketball Association of America World Championship Series" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: final
function: QueryAttrQualifier
dependencies: 2
inputs: official name
Basketball Association of America World Championship Series
end time
Answer: 1949