Question: What is the Twitter username for the association-football club with Charlie Parker (the one whose date of death is 1969-01-01) as a member (the end time of this statement is 1930-01-01)?
Choices: DB30th
woodyharrelson
serjtankian
PinkFloyd
maroon5
officialcufc
IamJimJonsin
RealBetis
FCBayernUS
MGM_Studios
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "Charlie Parker" . ?e_1 <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1969-01-01"^^xsd:date . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e ] <end_time> ?qpv . ?qpv <pred:date> "1930-01-01"^^xsd:date . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Charlie Parker
function: FilterDate
dependencies: 0
inputs: date of death
1969-01-01
=
function: Relate
dependencies: 1
inputs: member of sports team
forward
function: QFilterDate
dependencies: 2
inputs: end time
1930-01-01
=
function: FilterConcept
dependencies: 3
inputs: association football club
function: QueryAttr
dependencies: 4
inputs: Twitter username
Answer: officialcufc