Question: Tell me the inception time of the record label that is in the black metal genre.
Choices:
1917-01-01
2007-12-13
1870-07-20
1530
1763
1827-03-15
1903-06-12
1993-01-01
1921-07-16
1693-03-29
Answer: 1993-01-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "record label" . ?e <genre> ?e_1 . ?e_1 <pred:name> "black metal" .  ?e <inception> ?pv .  }
Program:
function: Find
inputs: black metal
function: Relate
dependencies: 0
inputs: genre
backward
function: FilterConcept
dependencies: 1
inputs: record label
function: QueryAttr
dependencies: 2
inputs: inception