Question: How many teams was Garry Unger in, previously?
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE { <http://dbpedia.org/resource/Garry_Unger> <http://dbpedia.org/ontology/formerTeam> ?uri . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/SportsTeam>}