Question: When did the TV series with cast member Fred Astaire debut?
Choices: 1978-09-17
1458
1979-09-18
2005-07-31
1887
2002-04-11
1952
2001-01-25
2007-11-18
1949-10-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Fred Astaire" .  ?e <start_time> ?pv .  }
Program:
function: Find
inputs: Fred Astaire
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: QueryAttr
dependencies: 2
inputs: start time
Answer: 1978-09-17