Question: What is Mstislav Rostropovich's Libris-URI?
Choices:
0xbdg9gj35bfrvx
nl038v262m32g00
b8nqm3nv2d4brtw
86lnqkbs0mfk2gx
97mpr3vt3rgj3bd
vs689q5d2cm6xlc
jgvxzs324nzrvks
1zcf8x4k27cjsb2
pm1363h73fm5nmp
75kmn10r503p0bn
Answer: b8nqm3nv2d4brtw
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Mstislav Rostropovich" . ?e <Libris-URI> ?pv .  }
Program:
function: Find
inputs: Mstislav Rostropovich
function: QueryAttr
dependencies: 0
inputs: Libris-URI