Question: When did Boston University became a mixed-sex university?
Choices: 1619
1981-09-25
1893-03-10
1961-09-27
1889-11-11
1973-06-21
2009-04-15
1994-04-19
1869
1973-01-07
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Boston University" . ?e_2 <pred:name> "mixed-sex education" . ?e_1 <significant_event> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <significant_event> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Boston University
function: Find
inputs: mixed-sex education
function: QueryRelationQualifier
dependencies: 0
1
inputs: significant event
start time
Answer: 1869