Question: tell me the higher education institution that is where Mark Williams is educated (who has a Twitter username of mark4ceredigion)
Choices: University of Oxford
Pennsylvania State University
Aberystwyth University
Yale College
McNeese State University
University of Manchester
Imperial College London
University of Pennsylvania
University of Auckland
University of Durham
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "higher education institution" . ?e_1 <educated_at> ?e . ?e_1 <pred:name> "Mark Williams" . ?e_1 <Twitter_username> ?pv . ?pv <pred:value> "mark4ceredigion" .   }
Program:
function: Find
inputs: Mark Williams
function: FilterStr
dependencies: 0
inputs: Twitter username
mark4ceredigion
function: Relate
dependencies: 1
inputs: educated at
forward
function: FilterConcept
dependencies: 2
inputs: higher education institution
function: What
dependencies: 3
Answer: Aberystwyth University