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_2592308_1 ( denominations__gold_weight_ VARCHAR, country VARCHAR )

### Question ###
How many catagories for denominations does Austria have?

### Accurate SQL ###

SELECT COUNT(denominations__gold_weight_) FROM table_2592308_1 WHERE country = "Austria"