Question: What is the time period that 29.1 square kilometers is the area of the administrative territorial entity that is the headquarters location of FC Luzern?
Choices: 1955-01-01
1995-02-14
1965-11-01
2007-01-01
1985-10-01
1921-01-01
1638-01-01
2012-06-10
2010-03-07
400
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "administrative territorial entity" . ?e_1 <headquarters_location> ?e . ?e_1 <pred:name> "FC Luzern" .  ?e <area> ?pv . ?pv <pred:unit> "square kilometre" . ?pv <pred:value> "29.1"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <area> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: FC Luzern
function: Relate
dependencies: 0
inputs: headquarters location
forward
function: FilterConcept
dependencies: 1
inputs: administrative territorial entity
function: QueryAttrQualifier
dependencies: 2
inputs: area
29.1 square kilometre
point in time
Answer: 2007-01-01