Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_203_219 ( id number, "no" number, "name" text, "date of birth" text, "height" text, "weight" text, "spike" text, "block" text, "2008 club" text )

### Question ###
oliveira walewska has the same block as how many other players ?

### Accurate SQL ###

SELECT COUNT("name") FROM table_203_219 WHERE "name" <> 'oliveira walewska' AND "block" = (SELECT "block" FROM table_203_219 WHERE "name" = 'oliveira walewska')