Question: Which form of blues rock with roots in the USA famously includes Black Sabbath, who broke up in 2006?
Choices: hard rock
post-grunge
crossover thrash
neo-progressive rock
doom metal
heavy metal
blues rock
stoner rock
industrial rock
power metal
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "blues rock" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Black Sabbath" . ?e_1 <dissolved,_abolished_or_demolished> ?pv . ?pv <pred:year> 2006 .  ?e <country_of_origin> ?e_2 . ?e_2 <pred:name> "United States of America" .  }
Program:
function: Find
inputs: Black Sabbath
function: FilterYear
dependencies: 0
inputs: dissolved, abolished or demolished
2006
=
function: Relate
dependencies: 1
inputs: famous people
backward
function: FilterConcept
dependencies: 2
inputs: blues rock
function: Find
inputs: United States of America
function: Relate
dependencies: 4
inputs: country of origin
backward
function: FilterConcept
dependencies: 5
inputs: blues rock
function: And
dependencies: 3
6
function: What
dependencies: 7
Answer: doom metal