How many {number of cases} are for {malaria} ?
How many cases of Malaria were reported?
SELECT (COUNT(?obj) AS ?value ) { wd:Q12156 wdt:P1603 ?obj }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q12156> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1603> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

Malaria was reported in how many cases?