Question: What is the beginning date that David McCallum is a citizen of the United States of America?
Choices: 1986-06-25
1993-01-27
1918-12-01
1967
1950-06-25
1998-08-27
1985-01-26
1967-01-28
1949-04-04
1992-01-24
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "David McCallum" . ?e_2 <pred:name> "United States of America" . ?e_1 <country_of_citizenship> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <country_of_citizenship> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: David McCallum
function: Find
inputs: United States of America
function: QueryRelationQualifier
dependencies: 0
1
inputs: country of citizenship
start time
Answer: 1967