Question: When was the launch of the TV series whose Twitter username is gundam_bd?
Choices: 2008-09-20
1992-04-07
2011-11-17
1974-06-05
1971-12-09
2010-05-04
553
1979-04-07
1989-12-18
1991-12-12
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "gundam_bd" . ?e <start_time> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
gundam_bd
function: FilterConcept
dependencies: 1
inputs: television series
function: QueryAttr
dependencies: 2
inputs: start time
Answer: 1979-04-07