Question: When was the public company with the Twitter username of nokia and the official name of the Nokia Corporation started?
Choices:
1984-01-01
1801-01-01
1707-05-01
1919-11-09
1993-09-16
1997-09-01
1978-09-12
1989-11-23
1972-09-30
1995-04-21
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
nokia
function: FilterConcept
dependencies: 1
inputs: public company
function: QueryAttrQualifier
dependencies: 2
inputs: official name
Nokia Corporation
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "public company" . ?e <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "nokia" . ?e <official_name> ?pv . ?pv <pred:value> "Nokia Corporation" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Answer: 1997-09-01