Question: Which person is the spouse of the person with Libris-URI is mkz25qr553zmrp4 (the start time of this statement is 1969-01-01)?
Choices: Julie Andrews
Blake Edwards
Simon Cowell
Gene Roddenberry
William Henry Harrison
Tony Walton
David Byrne
Sylvester Stallone
Max Fleischer
Richard Gere
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <spouse> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <Libris-URI> ?pv . ?pv <pred:value> "mkz25qr553zmrp4" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e ] <start_time> ?qpv . ?qpv <pred:date> "1969-01-01"^^xsd:date .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Libris-URI
mkz25qr553zmrp4
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: spouse
forward
function: QFilterDate
dependencies: 3
inputs: start time
1969-01-01
=
function: FilterConcept
dependencies: 4
inputs: human
function: What
dependencies: 5
Answer: Blake Edwards