Question: When did Poul Anderson earn a Nebula Award for Best Novella?
Choices: 1981
1925-06-16
2013-04-01
2018-03-31
1775-01-01
1988-01-01
1307-01-01
1985-03-25
2012
1997
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Poul Anderson" . ?e_2 <pred:name> "Nebula Award for Best Novella" . ?e_1 <award_received> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_2 ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Poul Anderson
function: Find
inputs: Nebula Award for Best Novella
function: QueryRelationQualifier
dependencies: 0
1
inputs: award received
point in time
Answer: 1981