SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/operator> <http://dbpedia.org/resource/MTR> . ?x <http://dbpedia.org/ontology/manufacturer> ?uri . }
Give me an estimate of the number of manufacturers whose products are managed by MTR?
SELECT DISTINCT COUNT ( ?v ) WHERE { ?i property:operator resource:M_T_R . ?i property:manufacturer ?v . }
12
There are [12] manufacturers whose products are operated by MTR.
There are [12] producers whose products are exploited by the SSO.
There are [12] manufactured by of the trains whose operator is the organisation, are there .
It produces [12] trains, the operator of which is the organization.