How many {ethnic group} are for {Uzbekistan} ?
How many ethnic groups are with the Uzbekistan} ?
SELECT (COUNT(?obj) AS ?value ) { wd:Q265 wdt:P172 ?obj }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q265> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P172> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

Uzbekistan has how many ethnic groups?