Question: What organization comprises the American football team whose Twitter username is 49ers as a member?
Choices: Sega
KLM
Pfizer
Entertainment One
National Football League
National League
McDonald's
Nintendo Entertainment Analysis & Development
Silver Pictures
Skidmore Owings Merrill
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "organization" . ?e_1 <league> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "American football team" . ?e_1 <Twitter_username> ?pv . ?pv <pred:value> "49ers" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
49ers
function: FilterConcept
dependencies: 1
inputs: American football team
function: Relate
dependencies: 2
inputs: league
forward
function: FilterConcept
dependencies: 3
inputs: organization
function: What
dependencies: 4
Answer: National Football League