Question: What is the connection between George Martin (the one whose birth name is Francisco Martínez Celeiro) to Barcelona (the one that is the twinned administrative body of Saint Petersburg)?
Choices: participant
official residence
place of birth
uses
original network
language used
destination point
original film format
soundtrack album
substitute/deputy/replacement of office/officeholder
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "George Martin" . ?e_1 <birth_name> ?pv . ?pv <pred:value> "Francisco Martínez Celeiro" . ?e_2 <pred:name> "Barcelona" . ?e_3 <twinned_administrative_body> ?e_2 . ?e_3 <pred:name> "Saint Petersburg" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: George Martin
function: FilterStr
dependencies: 0
inputs: birth name
Francisco Martínez Celeiro
function: Find
inputs: Saint Petersburg
function: Relate
dependencies: 2
inputs: twinned administrative body
forward
function: Find
inputs: Barcelona
function: And
dependencies: 3
4
function: QueryRelation
dependencies: 1
5
Answer: place of birth