Question: Is helenhayes_ the Twitter username for Helen Hayes who was born on 1974-08-08?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Helen Hayes" . ?e <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1974-08-08"^^xsd:date . ?e <Twitter_username> ?pv . ?pv <pred:value> "helenhayes_" .  }
Program:
function: Find
inputs: Helen Hayes
function: FilterDate
dependencies: 0
inputs: date of birth
1974-08-08
=
function: QueryAttr
dependencies: 1
inputs: Twitter username
function: VerifyStr
dependencies: 2
inputs: helenhayes_
Answer: yes