How many {headquarters location} are for {Teutonic Knights} ?
How many headquarters locations do the Teutonic Knights have?
SELECT (COUNT(?obj) AS ?value ) { wd:Q48189 wdt:P159 ?obj }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q48189> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P159> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

The Teutonic Knights have what number of headquarter locations?