Question: When was the mechanical wave whose subreddit is postpunk created?
Choices: 1948-09-09
1823
1852-12-02
2006-03-31
2001-08-24
1949-02-12
1924-07-23
1978-01-01
1346-01-01
1000
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mechanical wave" . ?e <subreddit> ?pv_1 . ?pv_1 <pred:value> "postpunk" . ?e <inception> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: subreddit
postpunk
function: FilterConcept
dependencies: 1
inputs: mechanical wave
function: QueryAttr
dependencies: 2
inputs: inception
Answer: 1978-01-01