Question: What is the commencement date of the trademark that is related to the well-known person Vince Gill?
Choices:
1803-03-24
1928
1861-04-21
1865-03-21
1999-06-01
1954
1992
1995-02-14
1826
301
Answer: 1928
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "trademark" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Vince Gill" .  ?e <inception> ?pv .  }
Program:
function: Find
inputs: Vince Gill
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: trademark
function: QueryAttr
dependencies: 2
inputs: inception