Question: What is the work period start date of Tim Armstrong (whose occupation is guitarist)?
Choices:
1975
1923
1710
1924
1980
1913
1827
2004
1955
1904
Answer: 1980
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Tim Armstrong" . ?e <occupation> ?e_1 . ?e_1 <pred:name> "guitarist" .  ?e <work_period_(start)> ?pv .  }
Program:
function: Find
inputs: guitarist
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: Tim Armstrong
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: work period (start)