Question: Which soccer club founded earlier than 1991 has its official website at http://www.az.nl/?
Choices:
Stade Brestois 29
Brisbane Roar FC
Zamalek SC
NAC Breda
AZ Alkmaar
Blackburn Rovers F.C.
Vitesse
A.C. Ajaccio
Seongnam FC
Burton Albion F.C.
Answer: AZ Alkmaar
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1991 ) . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.az.nl/" .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1991
<
function: FilterConcept
dependencies: 1
inputs: association football club
function: FindAll
function: FilterStr
dependencies: 3
inputs: official website
http://www.az.nl/
function: FilterConcept
dependencies: 4
inputs: association football club
function: And
dependencies: 2
5
function: What
dependencies: 6