Question: What is the Twitter account name of the geographic region that launched in 1890?
Choices: Pink
altrinchamfc
northernline
OficialFlu
unistra
cardiffcityfc
Bitchuation
partisocialiste
LarryMillerMP
tf_autobot
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "geographic region" . ?e <date_of_official_opening> ?pv_1 . ?pv_1 <pred:year> 1890 . ?e <Twitter_username> ?pv .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: date of official opening
1890
=
function: FilterConcept
dependencies: 1
inputs: geographic region
function: QueryAttr
dependencies: 2
inputs: Twitter username
Answer: northernline