Question: Which association football club has its headquarters location in the city with millions of inhabitants that is the twinned administrative body of Mobile (whose official name is Mobile)?
Choices: FC Rostov
Tours FC
Brisbane Roar FC
Hibernian F.C.
Stade Brestois 29
Tiburones Rojos de Veracruz
Middlesbrough F.C.
Roda JC Kerkrade
Zamalek SC
Huelva
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city with millions of inhabitants" . ?e_2 <twinned_administrative_body> ?e_1 . ?e_2 <pred:name> "Mobile" . ?e_2 <official_name> ?pv . ?pv <pred:value> "Mobile" .   }
Program:
function: Find
inputs: Mobile
function: FilterStr
dependencies: 0
inputs: official name
Mobile
function: Relate
dependencies: 1
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 2
inputs: city with millions of inhabitants
function: Relate
dependencies: 3
inputs: headquarters location
backward
function: FilterConcept
dependencies: 4
inputs: association football club
function: What
dependencies: 5
Answer: FC Rostov