Question: How many progressive rock groups not founded in 1990 include Buckethead as a member?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "progressive rock" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Buckethead" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1990 ) .  }
Program:
function: Find
inputs: Buckethead
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: progressive rock
function: FindAll
function: FilterYear
dependencies: 3
inputs: inception
1990
!=
function: FilterConcept
dependencies: 4
inputs: progressive rock
function: And
dependencies: 2
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function: Count
dependencies: 6
Answer: 0