Question: Tell me the start time for the tv series that has alan oppenheimer in its cast.
Choices: 1979-02-11
1977-01-20
2002-05-27
1974-01-15
1982-10-01
1810-07-09
1853
1992-07-09
1996-04-15
1904-07-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Alan Oppenheimer" .  ?e <start_time> ?pv .  }
Program:
function: Find
inputs: Alan Oppenheimer
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: QueryAttr
dependencies: 2
inputs: start time
Answer: 1974-01-15