Question: When was founded the business with headquarter in Baltimore (postal code 21214)?
Choices: 1964-11-26
1923-01-01
1854-02-17
2001-01-01
1847-03-15
1958-01-01
1893-01-01
1956-01-23
1973
1830-10-04
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "business" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Baltimore" .  [ <pred:fact_h> ?e ; <pred:fact_r> <headquarters_location> ; <pred:fact_t> ?e_1 ] <postal_code> ?qpv . ?qpv <pred:value> "21214" . ?e <inception> ?pv .  }
Program:
function: Find
inputs: Baltimore
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: QFilterStr
dependencies: 1
inputs: postal code
21214
function: FilterConcept
dependencies: 2
inputs: business
function: QueryAttr
dependencies: 3
inputs: inception
Answer: 1958-01-01