Question: When did guitarist John Bailey die?
Choices:
1995-02-21
2011-07-20
1969-01-01
1983-05-01
1931-01-01
2016-04-21
1980-04-29
2018-11-24
2016-12-27
1982-08-29
Answer: 2011-07-20
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "John Bailey" . ?e <instrument> ?e_1 . ?e_1 <pred:name> "guitar" .  ?e <date_of_death> ?pv .  }
Program:
function: Find
inputs: guitar
function: Relate
dependencies: 0
inputs: instrument
backward
function: Find
inputs: John Bailey
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of death