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_28239 ( "NSG Nr." real, "Name of the nature reserve" text, "District / Town" text, "Area (ha)" text, "Date established" text )

### Question ###
How many reserves are in Herzogtum Lauenburg with an area of 123,14?

### Accurate SQL ###

SELECT COUNT("NSG Nr.") FROM table_28239 WHERE "District / Town" = 'Herzogtum Lauenburg' AND "Area (ha)" = '123,14'