Question: When did University of Southern California alumnus John Ritter win the  Primetime Emmy for Outstanding Lead Actor in a Comedy Series ?
Choices:
2003-07-30
2010-06-13
1895-12-01
1984
2005-02-27
2002-02-12
1837
1864
1991-12-01
2017-03-01
Program:
function: Find
inputs: Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series
function: Find
inputs: University of Southern California
function: Relate
dependencies: 1
inputs: educated at
backward
function: Find
inputs: John Ritter
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: winner
point in time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series" . ?e_2 <pred:name> "John Ritter" . ?e_2 <educated_at> ?e_3 . ?e_3 <pred:name> "University of Southern California" . ?e_1 <winner> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <winner> ; <pred:fact_t> ?e_2 ] <point_in_time> ?qpv .  }
Answer: 1984