Question: What band includes a member who is the spouse of Carrie Fisher starting on the marriage date 1983-08-16?
Choices: Jonas Brothers
The Kinks
Steely Dan
Marillion
The Monkees
Renaissance
The Pretenders
Black Sabbath
Coldplay
USA for Africa
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "band" . ?e <has_part> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <spouse> ?e_3 . ?e_3 <pred:name> "Carrie Fisher" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e_3 ] <start_time> ?qpv . ?qpv <pred:date> "1983-08-16"^^xsd:date .   }
Program:
function: Find
inputs: Carrie Fisher
function: Relate
dependencies: 0
inputs: spouse
backward
function: QFilterDate
dependencies: 1
inputs: start time
1983-08-16
=
function: FilterConcept
dependencies: 2
inputs: human
function: Relate
dependencies: 3
inputs: has part
backward
function: FilterConcept
dependencies: 4
inputs: band
function: What
dependencies: 5
Answer: USA for Africa