Question: What is the Twitter username for the agent having a member named John Williams (who is a member of the Calgary Stampeders), starting in the year 1969?
Choices: smbofficial
realpreityzinta
ticats
arielwinter1
MsLaurynHill
johnlegend
realguyritchie
YoYo_Ma
thedoctorluke
Chivas
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "John Williams" . ?e_1 <member_of_sports_team> ?e_2 . ?e_2 <pred:name> "Calgary Stampeders" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e ] <start_time> ?qpv . ?qpv <pred:year> 1969 . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Calgary Stampeders
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: John Williams
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: member of sports team
forward
function: QFilterYear
dependencies: 4
inputs: start time
1969
=
function: FilterConcept
dependencies: 5
inputs: agent
function: QueryAttr
dependencies: 6
inputs: Twitter username
Answer: ticats