Question: What is the beginning date that Yahoo's chief executive officer is Tim Armstrong (who holds the position of chief executive officer)?
Choices: 1945-07-09
1979-11-22
1966-04-09
1992-02-27
1992-07-09
2017-06-13
1992-09-22
2018-07-09
2008-06-11
2013-10-17
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Yahoo" . ?e_2 <pred:name> "Tim Armstrong" . ?e_2 <position_held> ?e_3 . ?e_3 <pred:name> "chief executive officer" . ?e_1 <chief_executive_officer> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <chief_executive_officer> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Yahoo
function: Find
inputs: chief executive officer
function: Relate
dependencies: 1
inputs: position held
backward
function: Find
inputs: Tim Armstrong
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: chief executive officer
start time
Answer: 2017-06-13