Question: When was the invention of the mechanical wave matching Barbra Streisand's style?
Choices:
1229
1948-05-26
0697-01-01
1973
1783-09-26
1912-04-14
1959-07-04
1855-02-22
1205
1920
Answer: 1920
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mechanical wave" . ?e_1 <genre> ?e . ?e_1 <pred:name> "Barbra Streisand" .  ?e <inception> ?pv .  }
Program:
function: Find
inputs: Barbra Streisand
function: Relate
dependencies: 0
inputs: genre
forward
function: FilterConcept
dependencies: 1
inputs: mechanical wave
function: QueryAttr
dependencies: 2
inputs: inception