Question: When did Raj Kapoor's child start working?
Choices: 1984
2006
1967
1970
1850
1955
1902
1990
1988
1927
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <child> ?e . ?e_1 <pred:name> "Raj Kapoor" .  ?e <work_period_(start)> ?pv .  }
Program:
function: Find
inputs: Raj Kapoor
function: Relate
dependencies: 0
inputs: child
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: work period (start)
Answer: 1970