Question: What is the time of inception for the rock band that was an influence on Stephen Richard Hackett?
Choices: 1998-01-01
1968-01-01
1982-10-28
1835-02-07
1973-05-18
1905-05-15
1646
0990-01-01
1802-03-03
-495
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "rock band" . ?e_1 <influenced_by> ?e . ?e_1 <pred:name> "Stephen Richard Hackett" .  ?e <inception> ?pv .  }
Program:
function: Find
inputs: Stephen Richard Hackett
function: Relate
dependencies: 0
inputs: influenced by
forward
function: FilterConcept
dependencies: 1
inputs: rock band
function: QueryAttr
dependencies: 2
inputs: inception
Answer: 1968-01-01