Question: What is the Twitter username for the land-grant university where the screenwriter John Irving was educated?
Choices:
ElsevierConnect
Alyssa_Milano
ggholic
TheDoors
buffalobills
michaelphelps
NBC
rickspringfield
uofnh
floridastate
Answer: uofnh
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "land-grant university" . ?e_1 <educated_at> ?e . ?e_1 <pred:name> "John Irving" . ?e_1 <occupation> ?e_2 . ?e_2 <pred:name> "screenwriter" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: screenwriter
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: John Irving
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: educated at
forward
function: FilterConcept
dependencies: 4
inputs: land-grant university
function: QueryAttr
dependencies: 5
inputs: Twitter username