What is the {tonal language} for {dialect of} of {Cantonese}
What is the tonal system of the Cantonese language?
 select distinct ?obj where { wd:Q9186 wdt:P4913 ?obj . ?obj wdt:P31 wd:Q191328 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q9186> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4913> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q191328> } 
What is the tonal framework of the Cantonese dialect?