Question: Boaz Myhill was a member until 2011 of which soccer club with white as its official color?
Choices: Birmingham City F.C.
West Bromwich Albion F.C.
Bristol City F.C.
Tottenham Hotspur F.C.
Brisbane Roar FC
Zamalek SC
Swansea City A.F.C.
Stade Brestois 29
Middlesbrough F.C.
Stockport County F.C.
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <official_color> ?e_1 . ?e_1 <pred:name> "white" .  ?e_2 <member_of_sports_team> ?e . ?e_2 <pred:name> "Boaz Myhill" . [ <pred:fact_h> ?e_2 ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e ] <end_time> ?qpv . ?qpv <pred:year> 2011 .  }
Program:
function: Find
inputs: white
function: Relate
dependencies: 0
inputs: official color
backward
function: FilterConcept
dependencies: 1
inputs: association football club
function: Find
inputs: Boaz Myhill
function: Relate
dependencies: 3
inputs: member of sports team
forward
function: QFilterYear
dependencies: 4
inputs: end time
2011
=
function: FilterConcept
dependencies: 5
inputs: association football club
function: And
dependencies: 2
6
function: What
dependencies: 7
Answer: West Bromwich Albion F.C.