Question: When did team member Mark Williams, whose birthplace is Chatham, join Brentford F.C.?
Choices: 1987-05-30
2015-03-01
2000-01-01
1966-04-09
2017-10-06
1923-10-29
2006-10-04
2006-01-01
2011-11-29
1972-05-25
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Mark Williams" . ?e_1 <place_of_birth> ?e_3 . ?e_3 <pred:name> "Chatham" . ?e_2 <pred:name> "Brentford F.C." . ?e_1 <member_of_sports_team> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Chatham
function: Relate
dependencies: 0
inputs: place of birth
backward
function: Find
inputs: Mark Williams
function: And
dependencies: 1
2
function: Find
inputs: Brentford F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 2000-01-01