Question: Which music genre famously associated with Dave Grohl was not created in 1991?
Choices: Riot grrrl
stoner rock
doom metal
Celtic rock
Latin pop
post-grunge
visual kei
hard rock
Texas blues
contemporary classical music
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "music genre" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Dave Grohl" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1991 ) .  }
Program:
function: Find
inputs: Dave Grohl
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: music genre
function: FindAll
function: FilterYear
dependencies: 3
inputs: inception
1991
!=
function: FilterConcept
dependencies: 4
inputs: music genre
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: stoner rock