Question: What is the DOI prefix of an university that is the educational place of Tony Plana ?
Choices:
10.26494
10.20919
10.24926
10.15353
10.3996
10.21980
10.15365
10.22617
10.21825
10.3776
Answer: 10.15365
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "university" . ?e_1 <educated_at> ?e . ?e_1 <pred:name> "Tony Plana" .  ?e <DOI_prefix> ?pv .  }
Program:
function: Find
inputs: Tony Plana
function: Relate
dependencies: 0
inputs: educated at
forward
function: FilterConcept
dependencies: 1
inputs: university
function: QueryAttr
dependencies: 2
inputs: DOI prefix