Question: What is the date of birth of the person who is the director American Idol whose Twitter username is AmericanIdol?
Choices: 1961-11-02
1934-10-24
1907-02-03
1957-12-20
1979-02-11
1957-08-24
1949-07-09
1878-07-09
1959-11-14
1961-05-17
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <director> ?e . ?e_1 <pred:name> "American Idol" . ?e_1 <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "AmericanIdol" . ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: American Idol
function: FilterStr
dependencies: 0
inputs: Twitter username
AmericanIdol
function: Relate
dependencies: 1
inputs: director
forward
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1949-07-09