How many {member of political party} are for {Mátyás Rákosi} ?
How many members of the political party are there for Matyas Rokosi?
SELECT (COUNT(?obj) AS ?value ) { wd:Q207631 wdt:P102 ?obj }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q207631> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P102> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

Matyas Rokosi has what number of members in the political party?