Question: When did a TV station, with Freeform as its Pinterest username, ceased to use ABC Family as its official name?
Choices: 1801-03-04
1861-05-06
2016-01-12
2014-06-16
1937-01-01
2015-08-29
1951-01-01
1989-02-17
1920-07-31
1967-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television station" . ?e <Pinterest_username> ?pv_1 . ?pv_1 <pred:value> "Freeform" . ?e <official_name> ?pv . ?pv <pred:value> "ABC Family" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Pinterest username
Freeform
function: FilterConcept
dependencies: 1
inputs: television station
function: QueryAttrQualifier
dependencies: 2
inputs: official name
ABC Family
end time
Answer: 2016-01-12