Question: Which mechanical wave traces back to 1967-01-01?
Choices: Steve Miller Band
dubstep
nu metal
post-bop
New Line Cinema
psychedelic soul
folktronica
alternative hip hop
Blood, Sweat & Tears
K-pop
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mechanical wave" . ?e <inception> ?pv . ?pv <pred:date> "1967-01-01"^^xsd:date .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: inception
1967-01-01
=
function: FilterConcept
dependencies: 1
inputs: mechanical wave
function: What
dependencies: 2
Answer: psychedelic soul