Question: Did Thomas Mitchell (the one that won the Academy Award for Best Supporting Actor) die before 1993?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Thomas Mitchell" . ?e <award_received> ?e_1 . ?e_1 <pred:name> "Academy Award for Best Supporting Actor" .  ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1993 ) .  }
Program:
function: Find
inputs: Academy Award for Best Supporting Actor
function: Relate
dependencies: 0
inputs: award received
backward
function: Find
inputs: Thomas Mitchell
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of death
function: VerifyYear
dependencies: 4
inputs: 1993
<
Answer: yes