Question: Does the person, who is a voice actor for Dragon Ball (the one whose end time is 1989-04-12), have  his/her birth date after 1951?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <voice_actor> ?e . ?e_1 <pred:name> "Dragon Ball" . ?e_1 <end_time> ?pv_1 . ?pv_1 <pred:date> "1989-04-12"^^xsd:date . ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1951 ) .  }
Program:
function: Find
inputs: Dragon Ball
function: FilterDate
dependencies: 0
inputs: end time
1989-04-12
=
function: Relate
dependencies: 1
inputs: voice actor
forward
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1951
>