Question: When was the exploitation visa number of Phoenix (the one that origins from Poland) 141399?
Choices: 2018
1813-11-20
1973-06-21
2000-11-15
1813-03-04
1926-02-16
1987-04-12
1430-03-29
1997-01-03
2015-01-21
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Phoenix" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "Poland" .  ?e <exploitation_visa_number> ?pv . ?pv <pred:value> "141399" . [ <pred:fact_h> ?e ; <pred:fact_r> <exploitation_visa_number> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Poland
function: Relate
dependencies: 0
inputs: country of origin
backward
function: Find
inputs: Phoenix
function: And
dependencies: 1
2
function: QueryAttrQualifier
dependencies: 3
inputs: exploitation visa number
141399
start time
Answer: 2015-01-21