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_51006 ( "Year" real, "Nord" text, "West" text, "S\u00fcdwest" text, "Berlin" text )

### Question ###
What is the Nord in 1952, when tennis borussia berlin was Berlin?

### Accurate SQL ###

SELECT "Nord" FROM table_51006 WHERE "Berlin" = 'tennis borussia berlin' AND "Year" = '1952'