Question: Jon Lord (the one that died from myocardial infarction) expired in 2014-03-25?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Jon Lord" . ?e <cause_of_death> ?e_1 . ?e_1 <pred:name> "myocardial infarction" .  ?e <date_of_death> ?pv . ?pv <pred:date> "2014-03-25"^^xsd:date .  }
Program:
function: Find
inputs: myocardial infarction
function: Relate
dependencies: 0
inputs: cause of death
backward
function: Find
inputs: Jon Lord
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of death
function: VerifyDate
dependencies: 4
inputs: 2014-03-25
=
Answer: yes