Question: What is the Twitter username fo a baseball team that included Doc Watson, who died on 30th Dec 1949 ?
Choices: scottishfa
withMBC
onlyanexpert
Cubs
officialKeef
wharton
RealSociedad
FangoriaOficial
FASelangorMy
traveloneworld
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "baseball team" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "Doc Watson" . ?e_1 <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1949-12-30"^^xsd:date . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Doc Watson
function: FilterDate
dependencies: 0
inputs: date of death
1949-12-30
=
function: Relate
dependencies: 1
inputs: member of sports team
forward
function: FilterConcept
dependencies: 2
inputs: baseball team
function: QueryAttr
dependencies: 3
inputs: Twitter username
Answer: Cubs