Question: What is the start date that Universität Leipzig – Alma Mater Lipsiensis is the official name of the higher learning institution that is the educational site of Richard Wagner (whose NLC authorities is 000091759)?
Choices: 1936-07-18
1901-09-14
1852
2017-09-07
1911
1987-12-10
1991
1536
2003-11-24
1989-06-29
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "higher education institution" . ?e_1 <educated_at> ?e . ?e_1 <pred:name> "Richard Wagner" . ?e_1 <NLC_authorities> ?pv_1 . ?pv_1 <pred:value> "000091759" . ?e <official_name> ?pv . ?pv <pred:value> "Universität Leipzig – Alma Mater Lipsiensis" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Richard Wagner
function: FilterStr
dependencies: 0
inputs: NLC authorities
000091759
function: Relate
dependencies: 1
inputs: educated at
forward
function: FilterConcept
dependencies: 2
inputs: higher education institution
function: QueryAttrQualifier
dependencies: 3
inputs: official name
Universität Leipzig – Alma Mater Lipsiensis
start time
Answer: 1991