Question: What is the work period start of the human that is a performer of George Harrison: Living in the Material World?
Choices: 1924
1980
1956
1878
2008
1982
1864
1951
1958
1908
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <performer> ?e . ?e_1 <pred:name> "George Harrison: Living in the Material World" .  ?e <work_period_(start)> ?pv .  }
Program:
function: Find
inputs: George Harrison: Living in the Material World
function: Relate
dependencies: 0
inputs: performer
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: work period (start)
Answer: 1958