Question: What is the official opening date of the award that Jackson Browne received?
Choices: 1983
1929
1955-03-06
1963-09-07
1939-10-15
1939-04-30
1931-05-01
1824
1819-11-19
1929-11-07
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "award" . ?e_1 <award_received> ?e . ?e_1 <pred:name> "Jackson Browne" .  ?e <date_of_official_opening> ?pv .  }
Program:
function: Find
inputs: Jackson Browne
function: Relate
dependencies: 0
inputs: award received
forward
function: FilterConcept
dependencies: 1
inputs: award
function: QueryAttr
dependencies: 2
inputs: date of official opening
Answer: 1983