Question: What is the Libris-URI of Oprah Winfrey?
Choices:
20dgg8hl1lrh5wm
jgvxz07255pxbgz
pm148s473nsvxqd
hftwzqg10j7sfkw
sq47dqcb3x8kv4s
rp369hq95cm4zpb
75knszfr41rjzfm
pm14cr575hjfll1
42gjkhxn0g46dp2
jgvz27p258s4v7f
Answer: sq47dqcb3x8kv4s
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Oprah Winfrey" . ?e <Libris-URI> ?pv .  }
Program:
function: Find
inputs: Oprah Winfrey
function: QueryAttr
dependencies: 0
inputs: Libris-URI