Question: When was the person whose official website is http://www.benharper.com born?
Choices: 1939-11-26
1924-06-03
1969-10-28
1986-08-16
1943-06-23
1910-05-09
1962-08-27
1942-08-29
1787-01-13
1963-01-05
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.benharper.com" . ?e <date_of_birth> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.benharper.com
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth
Answer: 1969-10-28