Question: What is the time period that 441290 is the number of visitors per year for the award that was received by Jefferson Airplane?
Choices: 1961-06-22
2005-02-16
2009-10-14
1837-12-01
2013
1955-02-01
1877
2016
1964-01-01
1994-02-15
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "award" . ?e_1 <award_received> ?e . ?e_1 <pred:name> "Jefferson Airplane" .  ?e <visitors_per_year> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "441290"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <visitors_per_year> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Jefferson Airplane
function: Relate
dependencies: 0
inputs: award received
forward
function: FilterConcept
dependencies: 1
inputs: award
function: QueryAttrQualifier
dependencies: 2
inputs: visitors per year
441290
point in time
Answer: 2013