Question: When did the Russian Soviet Federative Socialist Republic (the one that has a citizen Vladimir Lenin) change its official name to Российская Федерация?
Choices: 1821-06-01
1863-09-10
1631
2005-11-17
1991-12-25
1955-04-04
1966-09-28
1974-04-01
1854
1957-03-06
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Russian Soviet Federative Socialist Republic" . ?e_1 <country_of_citizenship> ?e . ?e_1 <pred:name> "Vladimir Lenin" .  ?e <official_name> ?pv . ?pv <pred:value> "Российская Федерация" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Vladimir Lenin
function: Relate
dependencies: 0
inputs: country of citizenship
forward
function: Find
inputs: Russian Soviet Federative Socialist Republic
function: And
dependencies: 1
2
function: QueryAttrQualifier
dependencies: 3
inputs: official name
Российская Федерация
start time
Answer: 1991-12-25