Question: How many studio albums have the rock band with the website of http://www.ledzeppelin.com/ performed in?
Choices: 0
1
2
3
4
5
6
7
8
9
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "studio album" . ?e <performer> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "rock band" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.ledzeppelin.com/" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.ledzeppelin.com/
function: FilterConcept
dependencies: 1
inputs: rock band
function: Relate
dependencies: 2
inputs: performer
backward
function: FilterConcept
dependencies: 3
inputs: studio album
function: Count
dependencies: 4
Answer: 1