Question: When did  University of Minnesota start having significant event mixed-sex education?
Choices:
1997-04-27
1945-04-12
1996-09-20
1966-07-27
1869
1991-04-09
1986-03-16
1990-04-23
2002-06-21
1968-10-12
Program:
function: Find
inputs: University of Minnesota
function: Find
inputs: mixed-sex education
function: QueryRelationQualifier
dependencies: 0
1
inputs: significant event
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "University of Minnesota" . ?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 .  }
Answer: 1869