Question: What blues rock was started in 1980?
Choices:
post-grunge
world music
Skate punk
grindcore
industrial rock
Dallas Mavericks
doom metal
crossover thrash
Geffen Records
Alliance '90/The Greens
Answer: doom metal
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "blues rock" . ?e <inception> ?pv . ?pv <pred:year> 1980 .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1980
=
function: FilterConcept
dependencies: 1
inputs: blues rock
function: What
dependencies: 2