Question: When did the drummer Gerry Conway join Jethro Tull?
Choices: 1981-05-20
1682
1971-03-26
2008-04-30
2013-10-17
2011-12-12
2000-06-01
1516-01-01
1865-02-09
1982
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Gerry Conway" . ?e_1 <instrument> ?e_3 . ?e_3 <pred:name> "drum kit" . ?e_2 <pred:name> "Jethro Tull" . ?e_1 <member_of> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: drum kit
function: Relate
dependencies: 0
inputs: instrument
backward
function: Find
inputs: Gerry Conway
function: And
dependencies: 1
2
function: Find
inputs: Jethro Tull
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of
start time
Answer: 1982