Question: What band was nominated for a Grammy Award for Best Rock Instrumental Performance in 2007 and has official website http://www.rush.com/?
Choices: Renaissance
The Pretenders
Phoenix
The Monkees
Rush
Jonas Brothers
Dixie Chicks
AFI
Marillion
Coldplay
SPARQL: SELECT DISTINCT ?e 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" .  [ <pred:fact_h> ?e ; <pred:fact_r> <nominated_for> ; <pred:fact_t> ?e_1 ] <point_in_time> ?qpv . ?qpv <pred:year> 2007 . ?e <official_website> ?pv . ?pv <pred:value> "http://www.rush.com/" .  }
Program:
function: Find
inputs: Grammy Award for Best Rock Instrumental Performance
function: Relate
dependencies: 0
inputs: nominated for
backward
function: QFilterYear
dependencies: 1
inputs: point in time
2007
=
function: FilterConcept
dependencies: 2
inputs: band
function: FindAll
function: FilterStr
dependencies: 4
inputs: official website
http://www.rush.com/
function: FilterConcept
dependencies: 5
inputs: band
function: And
dependencies: 3
6
function: What
dependencies: 7
Answer: Rush