Question: What is Rober Zelazny's work period start date?
Choices:
1960
1965
1956
1962
1964
1977-08-10
1850
1948-03-18
1944
1993
Answer: 1962
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Roger Zelazny" . ?e <work_period_(start)> ?pv .  }
Program:
function: Find
inputs: Roger Zelazny
function: QueryAttr
dependencies: 0
inputs: work period (start)