Question: What are the number of bands that were nominated for Grammy Award for Best Rock Instrumental Performance ?
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "band" . ?e <nominated_for> ?e_1 . ?e_1 <pred:name> "Grammy Award for Best Rock Instrumental Performance" .   }
Program:
function: Find
inputs: Grammy Award for Best Rock Instrumental Performance
function: Relate
dependencies: 0
inputs: nominated for
backward
function: FilterConcept
dependencies: 1
inputs: band
function: Count
dependencies: 2