Question: When was Tim Armstron, the chief executive officer of Yahoo, born?
Choices: 1958-02-24
1923-09-07
1971-12-21
1949-07-15
1935-07-03
1956-09-30
1932-06-21
1966-12-24
1985-02-15
1971-07-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Tim Armstrong" . ?e_1 <chief_executive_officer> ?e . ?e_1 <pred:name> "Yahoo" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Yahoo
function: Relate
dependencies: 0
inputs: chief executive officer
forward
function: Find
inputs: Tim Armstrong
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1971-12-21