Question: The person with an official website of http://www.stevewinwood.com/ is a member of what rock and roll band?
Choices: The Velvet Underground
Nirvana
Marilyn Manson
Traffic
Soundgarden
Journey
Led Zeppelin
The Smashing Pumpkins
Alice Cooper
The Doors
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "rock band" . ?e <has_part> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.stevewinwood.com/" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.stevewinwood.com/
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: has part
backward
function: FilterConcept
dependencies: 3
inputs: rock band
function: What
dependencies: 4
Answer: Traffic