Question: Regarding the movie that was narrated by Ian McKellen and that has an exploitation visa number of 118697, tell me its start time.
Choices: 1981-04-05
1992-06-05
2003-10-07
1972-09-30
1956
1976-02-04
1998-09-21
2007-09-17
1936-03-25
1950
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <narrator> ?e_1 . ?e_1 <pred:name> "Ian McKellen" .  ?e <exploitation_visa_number> ?pv . ?pv <pred:value> "118697" . [ <pred:fact_h> ?e ; <pred:fact_r> <exploitation_visa_number> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Ian McKellen
function: Relate
dependencies: 0
inputs: narrator
backward
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttrQualifier
dependencies: 2
inputs: exploitation visa number
118697
start time
Answer: 2007-09-17