Question: When did start the exploitation visa number 77608 for the film that received Palme d'Or in 1991?
Choices: 1993-04-01
1992-07-23
2015-03-01
1997-05-22
1989
1910-05-06
1426-01-01
1858-05-11
1991-09-25
2007-04-17
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <award_received> ?e_1 . ?e_1 <pred:name> "Palme d'Or" . [ <pred:fact_h> ?e ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_1 ] <point_in_time> ?qpv_1 . ?qpv_1 <pred:year> 1991 . ?e <exploitation_visa_number> ?pv . ?pv <pred:value> "77608" . [ <pred:fact_h> ?e ; <pred:fact_r> <exploitation_visa_number> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Palme d'Or
function: Relate
dependencies: 0
inputs: award received
backward
function: QFilterYear
dependencies: 1
inputs: point in time
1991
=
function: FilterConcept
dependencies: 2
inputs: film
function: QueryAttrQualifier
dependencies: 3
inputs: exploitation visa number
77608
start time
Answer: 1991-09-25