Question: What is the date of birth of a person that is a CEO of Simon Property Group ?
Choices: 1960
1968-11-10
1967-04-29
1890-10-02
1921-05-25
1976-03-18
1816-04-19
1743-04-02
1769-08-15
1949-04-20
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <chief_executive_officer> ?e . ?e_1 <pred:name> "Simon Property Group" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Simon Property Group
function: Relate
dependencies: 0
inputs: chief executive officer
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth
Answer: 1960