Question: What is the postal code of  AT&T's headquarter in Dallas (the one that is the twinned administrative body of Taipei)?
Choices: 01210
70195
91058
75672
52079
93405–93410
75202
G1-G80
10xxx, 11xxx, 120xx
89044–89199
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "AT&T" . ?e_2 <pred:name> "Dallas" . ?e_3 <twinned_administrative_body> ?e_2 . ?e_3 <pred:name> "Taipei" . ?e_1 <headquarters_location> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <headquarters_location> ; <pred:fact_t> ?e_2 ] <postal_code> ?qpv .  }
Program:
function: Find
inputs: AT&T
function: Find
inputs: Taipei
function: Relate
dependencies: 1
inputs: twinned administrative body
forward
function: Find
inputs: Dallas
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: headquarters location
postal code
Answer: 75202