Question: When did the sovereign state that existed before Slovakia and has an ISO 3166-1 alpha-2 code is CS end?
Choices: 2000-08-01
1993
1970
1918-11-09
2004-08-29
1494-01-01
1977-01-20
1940-01-01
1823-03-04
2009-08-23
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <follows> ?e . ?e_1 <pred:name> "Slovakia" .  ?e <ISO_3166-1_alpha-2_code> ?pv . ?pv <pred:value> "CS" . [ <pred:fact_h> ?e ; <pred:fact_r> <ISO_3166-1_alpha-2_code> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Slovakia
function: Relate
dependencies: 0
inputs: follows
forward
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: QueryAttrQualifier
dependencies: 2
inputs: ISO 3166-1 alpha-2 code
CS
end time
Answer: 1993