Question: Count all the universities who participated in the tournament won by Alabama Crimson Tides in 2015 ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x prop:champion <http://dbpedia.org/resource/2015_Alabama_Crimson_Tide_football_team> . ?uri prop:athletics ?x  . ?uri rdf:type onto:University}