Question: Regarding the China province that has the official name  河南省, and ISO 3166-2 code of CN-HA, tell me its start time.
Choices: 1936-06-09
1806-08-08
1982-05-30
1938-03-13
1987-11-21
1843-07-31
1945-11-07
2002-04-29
1928-01-01
2017-11-23
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "province of China" . ?e <official_name> ?pv_1 . ?pv_1 <pred:value> "河南省" . ?e <ISO_3166-2_code> ?pv . ?pv <pred:value> "CN-HA" . [ <pred:fact_h> ?e ; <pred:fact_r> <ISO_3166-2_code> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official name
河南省
function: FilterConcept
dependencies: 1
inputs: province of China
function: QueryAttrQualifier
dependencies: 2
inputs: ISO 3166-2 code
CN-HA
start time
Answer: 2017-11-23