How many {basin country} are for {Arctic Ocean} ?
How many basin countries are in the Arctic Ocean?
SELECT (COUNT(?obj) AS ?value ) { wd:Q788 wdt:P205 ?obj }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q788> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P205> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

How many basin countries does the Artic Ocean have?