Question: What national-association football team's country is the sovereign state filming location of Tabu (the one whose publication date is 2012-02-14)?
Choices: Peru national football team
Portugal
Gambia national football team
S.C. Beira-Mar vale callampa
C.D. Nacional
Cyprus national football team
Iberian Peninsula
Panama national football team
Algeria national football team
Portugal national football team
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "national association football team" . ?e <country> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "sovereign state" . ?e_2 <filming_location> ?e_1 . ?e_2 <pred:name> "Tabu" . ?e_2 <publication_date> ?pv . ?pv <pred:date> "2012-02-14"^^xsd:date .   }
Program:
function: Find
inputs: Tabu
function: FilterDate
dependencies: 0
inputs: publication date
2012-02-14
=
function: Relate
dependencies: 1
inputs: filming location
forward
function: FilterConcept
dependencies: 2
inputs: sovereign state
function: Relate
dependencies: 3
inputs: country
backward
function: FilterConcept
dependencies: 4
inputs: national association football team
function: What
dependencies: 5
Answer: Portugal national football team